smak sman smas smba smkb smrk smsn smss smur smus snab snak snam snar snas snba snkm snns snra snrk snrs snub snum snur snus sram sras srna srnn srub ssaa ssab ssam ssan ssas ssau ssbn ssbr ssns ssra ssrm ssrs sssa sssb sssm ssss suam suan suar suas sub- suba subb subm subs suka suks suku sum- suma sums sumu sun- suna sunb sunk sunn suns sunu sur- sura surn surr surs suru sus- susa susk suss susu suum suus uams uars uaru uasa uaua ubar ubba ubra ukba ukma ukra uksa ukum ukur umaa umak uman umar umas umb- umba umka umma umms umra umsa umsu umus unaa unam unan unar unas unau unka unkn unks unma unmr unna unns unra unrs uns- unsa unum unus uran uras urau urba urbs urka urma urna urns urra ursa urss ursu uruk urum urun urur urus us-a us-k usaa usak usan usar usas usba usbr usbs uska usma usmm usms usna usnr usnu usra ussa ussb ussr usss ussu usua usun usus uuuu