This below is a list of most commonly used in speech, 2 and 3 letters words in the English language. You can try various combinations (even permutations) with them when choosing a new domain.
Code:
ace; act; ad; add; ado; age; ago; aid; ail; aim; air; ale; all; and; any; ape; apt; arc; arm; art; as; ash; ask; asp; ass; at; awe; awl; ax; bad;
bag; ban; bar; bat; bay; be; bed; bee; beg; bet; bib; bid; big; bin; bit; bob; bog; bow; box; boy; bra; bud; bug; bun; bur; bus; but; buy; by; cab;
can; cap; car; cat; caw; cob; cod; cog; con; coo; cop; cot; cow; coy; cry; cub; cue; cup; cur; cut; dad; dam; day; den; dew; die; dig; dim; din;
dip; do; doe; dog; dot; don; dry; due; dub; dud; dye; ear; eat; ebb; eel; egg; elf; elk; elm; eke; end; err; eve; eye; ex; fad; fag; fan; far; fat;
fee; fen; fey; few; fib; fig; fin; fir; fit; fix; fly; fob; foe; fog; for; fop; fox; fro; fry; fun; fur; gab; gad; gag; gap; gas; gay; gem; get;
gin; gig; go; gob; God; gum; gun; guy; gym; hag; ham; hap; hat; haw; hay; he; hem; hen; her; hew; hey; him; hip; his; hit; hoe; hog; hop; hot; how;
hub; hue; hug; hum; hut; ice; icy; if; ill; imp; in; ink; inn; ion; irk; is; it; ivy; jab; jag; jam; jar; jaw; jay; jet; jew; jib; jig; job; jog;
jot; joy; jug; jut; keg; key; kid; kin; kit; lad; lag; lap; law; lax; lay; lee; leg; let; lid; lie; lip; log; lop; lot; low; lug; lye; mad; man;
men; map; mar; mat; may; May; mew; mid; Mr; Mrs; mix; mob; mop; moo; mow; mud; mug; my; nab; nag; nap; nay; net; new; nib; nip; nix; no; not; nod;
now; nun; nut; oak; oar; oat; odd; ode; of; off; oil; OK; old; on; one; or; orb; ore; our; out; owe; owl; own; ox; pad; pal; pan; par; pat; pap;
paw; pay; pea; peg; pen; per; pet; pie; pig; pin; pit; ply; pod; pop; pot; pry; pub; pun; pup; put; rag; ram; rap; rat; raw; ray; re; red; rib;
rid; rig; rim; rip; rob; rod; roe; rot; row; rub; rue; rug; run; rye; rut; sad; sag; sap; saw; say; sea; see; set; sew; sex; she; shy; sib; sin;
sip; sir; sit; six; ski; sky; sly; so; sob; sod; son; sow; spa; spy; sty; sue; sum; sun; sup; tab; tag; tan; tap; tar; tax; tea; ten; the; tie;
tin; tip; tit; to; toe; tog; tom; ton; too; top; tot; tow; toy; try; tub; tug; two; up; ups; us; use; urn; van; vat; vex; via; vie; vim; vow;
wad; wag; wan; war; wax; way; we; web; wed; wee; wen; wet; who; why; wig; win; wit; wo; woe; woo; wry; yap; yea; yes; yet; you; zoo;