-itis iiiii iitti illit iltis ipils ipiti ipsi- is-is isili isill isisi isiti isits isitt islip istlt itisi itsit ittti l-sit liisi lilis lilli lilts lipis lippi lipps lipsi lisis lisps liss- lists litis litsi litti piisi pili- pilis pills pipil pipis pipit pipli pippi pissi pisti pitip pitis pitti pitts plips plitt psil- pssst pssts ptil- s-iii siili silli sills silpi silts sipit sippi sipsi sipti sisil sisis sisli sissi sists sitit sitsi sitti slip- slips slipt sliss slits slsts spili spill spilt spiss spiti spits split sssss still stilp stils stilt stips stitt ti-ti tilip tilli tills tilsi tilst tilts tipil tipis tipit tippi tisis tiss- tissi titii titil titis titli titti tppts tsili tstlt ttttt