LISPOUND

do id in is li lo no nu od oi on op os pi si so un up us

din dip dis dol don dos dui dun duo dup ids ins ion lid lin lip lis lop nil nip nod nos nus ods oil old ons ops oud pin pis piu pod poi pol psi pud pul pun pus sin sip sod sol son sop sou sun sup udo uns upo ups

dino dins diol dips dols dons duns duos dups idol ions lido lids lino lins lion lips lisp loid loin lops loud loup nils nips nodi nods noil nous oils olds onus opus ouds pins pion piso plod plus pods pois pols pond pons puds puli puls puns sild silo slid slip slop snip soil sold soli soul soup spin spud spun udon udos undo updo upon