sssa sssb sssi sssm ssss suam suar suas sub- suba subb subi subm subs suee suer sues sueu suie suir suis suka suke suki suks suku sum- suma sume sumi sums sumu sur- sura sure suri surr surs suru sus- susa suse susi susk suss susu suum suus u-ie uaes uair uams uars uaru uasa uaua ubar ubba ubbe ubbi ubek uber ubii ubik ubir ubis ubra ueba ueir ueki uers uess uies uima uims uira uirr uise ukai ukba ukek ukes ukeu ukma ukra uksa ukum ukur umaa umai umak umar umas umb- umba umbe umbi umer umes umik umka umma umms umra umri umsa umsu umus urai uras urau urba urbe urbi urbs ure- urea ures uria urib urie urik urim uris uriu urka urke urma urmi urra urre urri ursa urse ursi urss ursu uruk urum urur urus us-a us-k usaa usak usar usas usba usbe usbr usbs usea usee user uses usia usie usim usis uska uske usma usme usmm usms usra ussa ussb usse ussr usss ussu usua usui usus uuri uusi uuuu