WORD 		MEANING 					-S EXTENSIONS 

AA 		rough cindery lava 				AAS 
AB 		short for 'abdominal muscle' 			ABS
AD 		short for advertisement 			ADS
AE 		Scottish pronoun 'one' 				No -S
AG 		short for 'agricultural' 			No -S
AH 		to utter "Ah" 					AHS 
AI 		a South American sloth with three toes 		AIS 
AL 		a tree of East India    			ALS 
AM 		first person of the verb 'to be' 		No-S 
AN 		indefinite article 				No-S 
AR 		the letter 'R' 					ARS
AS 		a conjunction 					ASS
AT 		a preposition referring to place 		No -S 
AW 		an interjection expressing disappointment 	No -S
AX 		to hit with an axe (plural AXES) 		AXES
AY 		a yes vote 		       			AYS 

BA 		the eternal spirit (in Egyptian mythology) 	BAS 
BE 		to exist 					No -S
BI 		a bisexual 					BIS
BO 		slang for 'a friend' 				BOS
BY 		a side issue 					BYS

CH 		a dialect word for the pronoun 'I' 		No -S

DA 		a Burmese knife 				DAS 
DE 		a preposition meaning FROM 			No -S 
DI 		plural of DEUS - a god 				DIS 
DO 		a celebration 					DOS

EA 		a river in Scotland 				EAS 
ED 		short for 'educational' 			No -S 
EE 		a Scots word for EYE (plural EEN) 		No -S 
EF 		the letter F 					EFS 
EH 		to say "eh" 					EHS 
EL 		an elevated railway 				ELS 
EM 		a printer's measure 				EMS 
EN 		a printer's measure 				ENS 
ER 		an expression indicating hesitation 		ERS 
ES 		the letter S 					ESS 
ET 		a past tense of EAT 				No -S 
EX 		the letter X (plural EXES) 			No -S

FA 		a musical note 					FAS 
FY 		an expression of disgust 			No -S

GI 		a judo suit 					GIS 
GO 		move from one place to another (pl. GOES); 
		or a Japanese board game 			GOS 
GU 		a basic violin used in Shetland			GUS

HA 		an expression of surprise or disbelief 		HAS 
HE 		a male 						HES 
HI 		a form of greeting 				HIS 
HM 		an interjection expressing reflection 		No -S 
HO 		a call to attract attention 			HOS

ID 		part of the unconscious mind 			IDS 
IF 		a conditional situation 			IFS 
IN 		to harvest something 				INS 
IO 		an utterance expressing joy 			IOS 
IS 		third person singular of 'to be' 		No -S 
IT 		a neuter pronoun 				ITS

JO 		a sweetheart (plural JOES) 			No -S

KA 		to serve KAS KO a Maori digging tool 		KOS 
KY 		a dialect word for COWS 			No -S

LA 		a musical note 					LAS 
LI 		a unit of distance in China 			LIS 
LO 		an expressing exhorting attention 		LOS

MA 		short for MOTHER 				MAS 
ME 		a musical note 					MES 
MI 		a musical note 					MIS 
MM 		an interjection expressing satisfaction 	No -S 
MO 		short for MOMENT 				MOS 
MU 		a Greek letter 					MUS 
MY 		possessive form of 'I' 				No -S

NA 		an expression of disbelief 			NAS 
NE 		an old form of NO 				No -S 
NO 		a NO vote (plural NOS or NOES) 			NOS 
NU 		a Greek letter 					NUS 
NY 		to come closer 					NYS

OB 		short for OBJECTION 				OBS 
OD 		a mystical force in the universe 		ODS 
OE 		a whirlwind in Samoa 				OES 
OF 		an adjective expressing possession 		No -S 
OH 		to express surprise 				OHS 
OI 		an interjection to attract attention 		No -S 
OM 		a syllable intoned in performing a mantra 	OMS 
ON 		to continue on 					ONS 
OO 		a Scots word for WOOL 				OOS 
OP 		a style in art 					OPS 
OR 		the colour gold in heraldry 			ORS 
OS 		a bone (plural OSSA)				No -S 
OU 		an interjection indicating a concession 	No -S 
OW 		an interjection expressing pain 		No -S 
OX 		a hooved animal (plural OXEN) 			No -S 
		or a dumb person (plural OXES) 
OY 		a grandchild in Scotland 			OYS

PA 		a familiar expression for FATHER 		PAS 
PE 		a Hebrew letter 				PES 
PH 		short for Potassium Hydrogen 			PHS 
PI 		to create disorder 				PIS 
PO 		a chamber pot 					POS

QI 		a life force in Chinese religion 		QIS

RE 		a musical note 					RES

SH 		an interjection demanding silence 		No -S
SI 		a musical note 					SIS 
SO 		a musical note 					SOS 
ST 		an interjection expressing impatience 		No -S

TA 		a thank you 					TAS 
TE 		a musical note 					TES 
TI 		a type of tree 					TIS 
TO 		a preposition indicating direction 		No -S

UG 		to incite hatred in somebody 			UGS 
UH 		an interjection indicating disbelief 		No -S 
UM 		an interjection indicating hesitation 		No -S 
UN 		a colloquial form of ONE 			UNS 
UP 		to increase something 				UPS 
UR 		an interjection indicating hesitation 		No -S 
US 		pronoun - emphatic form of WE 			No -S

UT 		a musical note 					UTS

WE 		a pronoun - first person plural 		No -S 
WO 		a curse on somebody 				WOS

XI 		a Greek letter 					XIS 
XU 		a coin of Vietnam (plural XU) 			No -S

YA 		a colloquial form of YOU 			No -S 
YE 		an archaic form of YOU 				YES 
YO 		a call for attention 				YOS 
YU 		a type of precious jade 			YUS

ZO 		a Himalayan ox with a humped back 		ZOS