sisici sisisi sisour sissin sisson sissoo sisulu siuniu slipin slipon slipup slocin sloins slonin sloops slopon slurps snoops snorri snupps so-lun soccos soccus sociis socio- socius socool socoro socour soilon soinio soiour soiron solino solion sololo solons soluli soncin sonico sonics sonino sonoco sonoio sonoli sonous sonpur sonson soolin soosoo sopono sopors sopris sopron sopsup sorico soriso sorli sorlin soroni sorors sorous sorrip sorrus sorsor sorup sosius sosoon soulli soulos soulou soupii soupil soupir soupon soupup souris souron sourou sourpi sousou spici- spill- spills spilus spini- spinis spino- spinon spinor spinup spinus spiri- spiric spiris spiro- spirol spiros spirou spocon spoil- spoils spools spoonr spoons spoorn spoors spori- sporo- sporoi sporus spouis sprinc sprocs sproll sproul spurns spuron sripur srprss ssliop succin succor succos succur succus sucro- sucrol sucuri suisio suisun sulcis sulcus sulili sulino sullic sulpur sun-up suncup suncus sunici sunnis sunoco sunpci sunrpc sunrun sunsun sununu sunuol sunups supino suppli suppos suprun surcul surili surion surono suroso suruc suscol susilo suslin suspol susulu susurr ucuncu uilson ulicon ullico ulloor ulluco ullucu ulpius ulsnis ulsoor uluops uncini unclip uncoil uncoin uncool uncoop uncorn uncous uncurl unicno unicoi unicon unicos unicru uniloc unions unionu unipol unipro uniron unisol unison unisun unisur unisus unloop unlull unoils unpins unpoco unprop unrips unroll unsins unslip unsoil unsoul unsour unspin unspsc unspun unsuni unsuri unu-op up-sun upcoil upcurl uponon uponor uppcon uppoor upprop uproll upslip upslur upspin upsssc uri-on urico- uricon urino- urison uronic ursini ursins ursons urucui urucup uruppu uscipp usinor usiris usroli ussoil ussuri usurps