ssab ssam ssas ssau ssbr sshs ssra ssrm ssrs sssa sssb sssh sssm ssss suam suar suas sub- suba subb subh subm subs suha suhb suhr suka sukh suks suku sum- suma sums sumu sur- sura surr surs suru sus- susa susk suss susu suum suus uahs uams uars uaru uasa uaua ubar ubba ubra uhrs uhss uhuh ukba ukha ukma ukra uksa ukum ukur umaa umak umar umas umb- umba umhs umka umma umms umra umsa umsu umus uras urau urba urbs urka urma urra urrh ursa urss ursu uruk urum urur urus us-a us-k usaa usak usar usas usba usbr usbs usha ushr ushs ushu uska usma usmm usms usra ussa ussb ussr usss ussu usua usus uuuu