-tree c-tec ccccc cccii ccctv cccvi ccett ccifc cciii ccitt ccvii ceci- cecie cecri ceere ceirt cerc- cerce cerci cerec cerer ceret ceric cerie cerre certe cervi cetic cette cicer cietc cifer cifft cifte circe ciric cirie cirr- cirri citec citee citer citie citr- citte civet civic civie crece creer creft crete creve crice crier ctree ctrie cttee cviii cvrce e-fit ecrit ectfe eeeee eerie eetti eevee eever efere eferi efetf effer effet effie efrei efter eirie eiter eitri erect erere ereve erice ericv erier eriff eriic erite erte erter ervie etete etite etive etree etter ettie evere everi everr evert evete evett eveve evict evite fe-tv fecit feere feier ferce feret feric ferie ferit ferr- ferre ferri ferte feter feti- fetii fetir fette fever fevre fieee fieri fifer fifie firee firei firer firie firit firre fitit fitri fitte fittv fiver freei freer freet freir freit frere frett frice frier frite fritt ftrtt ice-t iceci iceit icetv icici icier icter ictic iecee ieiri ierei iette iever if-- ifere iffet ifive ifrit ifttt iiiee iiiii iitti ircii irece irete irite irrit irtec itete itfet itfit itire itive itter ittre ittti ivett ivivc ivver rcirc recce recet recit rect- recte recti reece reefe reeft reere reeti reeve refer refet reffe refit reice reiff reive rere- reree reret reric rerir retee reter retie rette rever revet revie revir ri-fi ricci ricer riefe rieti rieve rifer riife ririe river rivet rtice rtrev rvivr tecic tefe teffi terce teret terif terre terri tert- terve teter tetr- tetri tette tevet tevir ti-ti ticci ticer tieit tiere tieri tiffe tiree tirer tiret tirit tirve titcr titer titii titre titte titti tiver treer treet trefe treff treie treif treit trere treri trete trett treve trevi trice triei trier triet trife trit- trite tritt trive ttttt tveit tvvcr vecer veere veeri veeve veire veive verie verre verri verte verti verve vetri vette vetti vevce vever vicci vice- vieri vietv vifte viiri virei viret virii virre virte virve vitet viti- vitr- vitre vitte vitti viver vivi- vivir vivre vreit vvt-i