-tree c-p-c c-tec ccccc cccii ccett cciii ccitt cdiii cdipt ceci- cecie cecri ceded ceder cedie cedr- cedre ceede ceere ceipp ceirt cepci cepet cepic cepie cepii cerc- cerce cerci cerec cered cerer ceret ceric cerid cerie cerre certe cetic cetpd cette cicer cider cidre cietc cipce ciper cippi cipre circe ciric cirie cirr- cirri citec cited citee citer citie citr- citte cpctc cpeir crece crede credi creed creep creer creid crepe crept crete crice cried crier cripe cript cteep ctree ctrie ctrip cttee dccic dcide ddc-i ddddd decet deci- decie decir dedde dedee deder dedic dedie dedir dedit deece deede deedi deepc deepe deepp deere deice deidt deipe deite depce derce derde dered deric derpt derre deter detie detre dette diced dicer dicit dicte didee didie didit diece dieci diepe dieri diete dirce dired direr dirie diter dittd ditti drdre dredd drede dreed dreep dreid dreie drepe drere dride dried drier dripe dript drite e-dee ecipe ecrit edder eddic eddie eddir eddit eddre edere edict edidi edred eeeee eeped eepee eerde eerie eetti eider eidet eipic eipri eirie eiter eitri eperc epice eppie erdec erdre erect erede erept erere erice erier eriic erite erred erte erter etete etite etree etter ettie ice-t iceci icedt iceit icici icier icter ictic idice idied iecee ieiri iepe ieper ierei iette iiiee iiiii iitti ipeti ipiti ippee ippei ircii irece irete irid- iride irite irrep irrit irtec itdid itete itire itrip itter ittre ittti p-rep pcepi pcept pcert pci-e pctct pedee pedi- pedie pedir peece peere peeri peert peete peice peire peirt pepee peppe peppi pept- perce perci perde perec perer peret peri- peric perid perie perit perre perri perte perti peter petie petit petr- petre petri pette petti picid picr- picti pided piece piede piere pieri piert piiri piped piper pipet pipid pipit pippi pipri pirce piric pirie pirre pirri piter pitie pitip pitre pitri pitti prece preci prede preid preie prepd prete preti price pride pried prier priit prite priti pritt pter- ptere pteri ptice ptprc ptprd ptpre ptprr ptprt rcirc recce reced recep recet recip recit recpt rect- recte recti redde reddi reder redid redie redip redit reece reede reepe reere reeti reice reide reird repec repet repic repit reppe reprt reptd rerde rere- reree reret reric rerip rerir reted retee reter retie retip rette ricci riced ricer ridec rided rider ridic riede rieti ripec riped riper ripit rippe ririe rripe rtice tecic teder tedie teepe teerd teide teiid tepee tepet tepic tepid tepit terce teret terre terri tert- teter tetr- tetri tette ti-ti ticci ticer tidde tided tider tiede tieit tiere tieri tierp tiper tipet tipit tippi tired tiree tirer tiret tirit titcr titer titii titre titte titti tpcit treed treer treet treid treie treip treit trepp trept trere treri trete trett tri-d trice tride tried triei trier triet triip tripe tripi tripp tript trit- trite tritt ttttt