sills silos silpi silpo sipce sipes sipic siple sipoc sipoo sipos sippe sippi sippo sipsi sisco sisel sises sisic sisil sisis sisle sisli sissi sissu siusi sleep slepc slepe sleps sless slice slies slip- slipe slips sliss sloes sloop sloos slope slops sloss sloup sluce slues sluis sluss so-il so-lo so-so socie socii socio socis socle socol socus soell soies soiie soile soill soils solec solei solel soles soli- solie solis solle solli soloe solos solus soole soolu soope soosi sopel sopic sopie soppo sopup sosei soses sosie soss- sossi sosui sosus souce souci souel soues soule souli soulo souls soupe soups sous- souse specc spece speci specl specs speel spees spele spell speoi speos speus spice spics spiel spies spile spili spill spise spiss spoil spol spole spool spose sposi sposo spoul spues spule spuse spuul ssies sssss succi suciu suell suelo suess suici sulci sulis sulle sulli sulls sulse sulus supes suple supls suppe suppl supps supsi suses susic susie susil susse susso susus suuel u-cee u-ies u-pop uccel uccle ucell ucles uclue ucoii ueles uisce uispp ulcus ulees ulice uloop ulose ulous ulpic ululu ulupi uouee upc-e upice upolo upolu uppie uppli upse- us-sc uscio uscoc uscup usees usell useup usies uspis ussel usses ussie usuli ususi uusis uuuuu