-tree c-tec ccccc cccii cccli ccell ccett cciii ccitt cclii ccrcl ccrel cctrl ceci- cecie cecil cecri ceele ceere ceile ceili ceirt celer celi- celic celie cell- celle celli celte cerc- cerce cerci cerec cerer ceret ceric cerie cerre certe cetic cette cicer cicle ciele cieli cietc cilec cili- cilic cille cilli circe ciric cirie ciril cirr- cirri citec citee citer citie citr- citte cleer cleet cleie cleir cleit clerc clere clete clett clie clier clire clite crece creel creer creil crele crell crete crice crier crile crrel ctree ctrie ctrlc cttee eccle ecrit eeeee eeler eerie eetti eiler eilet eirie eitel eiter eitri elect eleet elele eleri elice eliel elite ellel eller ellet ellie elrec elric erect erere erice erier eriic erite erte ertel erter ertil etete etile etite etree ettel etter ettie ettle iccle ice-t iceci iceit icici icier iclei icter ictic iecee ieiri ierei iette iiiee iiiii iitti ilcer ileri ilici iller illit ilter ircii ircle irece irele irete iriel irill irite irrel irrit irtec itele itell itete itire ittel itter ittre ittti lecce lecci leece leeli leell leere leert leile leill leire leite lelei lelic lelle lelli lerer lerie letil letit letre lette licet licit licli lieli liere lilet lilie lille lilli liril litel liter litic litir litre litte litti rcirc recce recet recit rect- recte recti reece reere reeti reice reile reill relee relet relic relie relit relli relte rere- reree reret reric rerir retee retel reter retie retil rette ricci ricer rieti riler rilic rille ririe rtice tcell tecic teele teell teill telce tele- telec telei teler telic telit tell- telle telli telti terce teret terli terre terri tert- tetel teter tetle tetr- tetri tette ti-ti ticci ticer ticle tieit tiele tieli tielt tiere tieri tiler tilie tille tilli tilte tiree tirer tiret tirit tirle tirli tirtl titcr titel titer titii titil title titli titre titte titti tlell tlett treer treet treie treil treit trele trere treri trete trett trice triei trier triet trill trit- trite tritt trlic ttttt