UROLOGISTS

go is it li lo oi or os si so ti to us ut

git goo gor gos got gul gut its lis lit log loo lot lug oil oot ors ort our out rig rot rug rut sir sis sit sol sos sot sou sri til tis tog too tor tug tui uts

gilt girl giro girt gist gits glut goos gout grit grot guls gust guts iglu list lits litu logo logs loos loot loss lost loti lots lour lout lugs lust oils olio oots orts ours oust outs rigs riot roil root roti rotl roto rots rout rugs rust ruts silo silt sirs sits slit slog slot slug slur slut soil soli solo sols soot sori sort sots soul sour sous sris stir suit tils tirl tiro togs toil tolu tool tori toro tors toss tour trig trio trog trug tugs tuis