-tree c-tec ccccc cccii ccett cciii ccitt ceci- cecie cecri ceere ceirt cerc- cerce cerci cerec cerer ceret ceric cerie cerre certe cetic cette ceuti cicer ciceu cietc circe ciric cirie cirr- cirri citec citee citer citie citr- citte ciuti crece creer crete cretu creu- creue crice crier cruce cruet crure ctree ctrie cttee cucei cucui cuire cuite curce curer curet curic curie curre curri curti cutcu cutee cuter cuti- cutie cutit ecrit eeeee eerie eetti eirie eiter eitri erect erere erice erier eriic erite eritu errtu erte erter eruct etete etite etree etter ettie eturu eucre euric eurre ice-t iceci iceit icici icier icter ictic iecee ieiri ierei iette iiiee iiiii iitti ircii irece irete irite irrit irtec itete itire itter ittre ittti itu-r itu-t ituri ituru itutu iurie rcirc recce recet recit rect- recte recti recue recur recut reece reere reeti reice rere- reree reret reric rerir retee reter retie rette reuer reuet reuir reute reuti ricci ricer riceu rieti ririe riuer rtice rucci rucer ruere ruete ruiru rurec ruric ruter rutic rutte ruutu tecic terce teret tereu terre terri tert- teter tetr- tetri tette ti-ti ticci ticer tieit tiere tieri tieut tiree tirer tiret tirit tirru tirur titcr titer titii titre titte titti treer treet treie treit trere treri trete trett treut trice triei trier triet trieu trit- trite tritt truce truer truit trute ttttt tucci tucet tuctu tueie tueit tuire tuite turei turet turic turie turit turre turri turtu turut tutee tutie tutte tutti tuuei tuuri tuuru u-cee uitti ureic ureit uric- urite urric urter uruce urucu uruit ururi uruti urutu uter- uteri utier utter uttur uturu uuuuu