llrrs lulls lulul lulus lupsu lupul lupus lurup lusts lusus lutsu plstr plupp plut- pruss pssst pssts ptprr ptprs ptprt ptpru pull- pulls pullu pulps pults pulut purls purrs purul purus putt- putts puttu putup puurs rlrts rrsps rsust rusts rustu rutul ruutu slsts slurp slurs sluss sluts sprut spult spurl spurr spurs spurt sputs spuul sssss strrs strul strut stull stulp stult stupp stups sturt stuss sulls sulur sulus sulut supls suppl supps supts supur suput surpu surtr surul surur surus susus suttu tppts trull truls trups trupt truss trust truus tstlt tsuru tsuur ttttt tulls tulus turps turss turst tursu turtu turul turup turut tutus tuuru ullur ulpur ululu uluru upput ursus urtlu urutu ustup ustur usurp usutu utsul uttur uturu uuuuu