STOPLIGHTS

go hi ho is it li lo oh oi op os pi sh si so ti to

ghi gip git gos got hip his hit hog hop hos hot its lip lis lit log lop lot ohs oil ops opt phi pht pig pis pit poh poi pol pot psi pst sip sis sit sol sop sos sot tho til tip tis tit tog top tot

ghis gilt gips gist gits glop gosh goth hilt hips hiss hist hits hogs holp hols holt hops host hots lips lisp list lits logs lops loss lost loth loti lots oils opts phis phot pigs pish piso piss pith pits plot pois pols posh post pots psis psst ship shit shog shop shot sigh silo silt sips sith sits slip slit slog slop slot soil soli sols soph sops soth sots spit spot stop stot thio this tils tilt tips tits togs toil toit toph topi tops tosh toss tost tots