sloup sluch sluds sluis slush sluss so-ho so-il so-lo so-so sochi socii socio socis socoh socol socus soddo soddu sodhi sodic sodio sodoi sodol sodop sodus sohil sohio sohlu sohos soido soill soils soldi soldo soli- solid solis solli solod solos solus soodi soold soolu soosi sopdu sophi sopho sophs sopic soppo sopup soshi soshu soss- sossi sosui sosus souch souci souho sould souli soulo souls soups sous- sphos spics spili spill spiss splsh spods spoil spol spold spool sposh sposi sposo spoul spuds spuul ssssh sssss succi suchi sucho suciu sudds sudis sudol suhoi suici suids sulch sulci sulid sulis sulli sulls sulus supls suppl supps supsd supsi susch sushi susic susil susso susus suudu u-hid u-pop uchil uchoi uchuu uclid ucoii udish udol udoll udupi uh-oh uh-uh uhdoh uhhoh uhhuh uhohs uhuhs uispp ulcus uldis ulich uloid uloop ulous ulpic ululu ulupi up-do updoc updos uphol upido upolo upolu uppli upshi us-sc uscio uscoc uscup usdhs usdos ushio uship ushis ushus usphl uspid uspis usuli ususi uusis uuuuu