niru nitc nite niti nitr niue niur nnit nnnn nnpi nnpr nntn npcc npic npin nppc npri nprt nptc npte nptn nren nric nrpc nrpn nrrc ntcc nter nteu ntnu ntpc ntrc ntru nttr ntuc ntui nuce nuci nucu nuee nuer nuin nuit nunc nune nunn nunt nupe nurc nure nuri nurn nurp nurr nurt nuru nute nutt nutu pccc pcce pcep pcer pcin pcip pcnt pcpn pcpp pcrc pcre pcte pcun pece peci pecr pect peec peen peep peer peet pein peip peir peit pen- penc pene peni penn pent penu pepe pepi per- perc pere peri pern perp perr pert peru pete peti petn petr pett peun peur peut picc pice pici picr pict picu pien piep pier piet piip pinc pine pini pinn pinp pint pinu pipe pipi pipp pirc pire piri pirn pirr piru pite piti pitr pitt pitu pnec pnet pneu pnic pnin pnpp pntr pnup ppcc ppci ppen pper ppic ppie pppn pppp pprc ppru pptn pptt ppur prcc prcp pre- prec pree pren prep pret preu pri- prie prii prin prnp prri prtc prti prtp prtr prue prut pruu ptcc pten pter pttc ptui pu-e puce puer puet pueu puin puir puit puiu punc pune punt punu pupe pupi pupu pur- pure puri purp purr puru put- pute puti putt putu puuc rccc rcep rcet rcic rcnr rcpi rcpt rctc rcti recc rece reci recp recr rect recu reen reep reet reii rein reir reit reiu rene reni renn rent renu repe repi repp repr rept repu rere reri rert reru rete reti retr rett reue reup reut reuu ricc rice rict rien riep rier riet rieu riin rine rinn ripe ripi ripp ripr ript rire riri rite riti ritt ritu riue rncp rnie rnin rnnt rntp rnut rpet rpii rppn rptn rrrr rrun rtcc rtce rtee rtei rttp ruce ruci ruct ruen ruer ruet ruin ruit runc rune runi runn runt rupe rupp rupt rurc rure ruri rurp ruru rute ruti rutt rutu ruun tccc tccu tcep tcnn tctc tecr tect teec teen teer teet teic teie tein teip teir teiu tenc tene teni tenn tenp tent tenu tepe tepi tepp tepu ter- terc tere teri tern terp terr teru tete teti tetr tett tetu teut ticc tice tie- tiee tiei tien tiep tier tiet tiit tiiu tinc tine tini tinn tint tinu tip- tipc tipe tipi tipp tipt tipu tire tiri tirr tiru titc tite titi titp titt titu tncc tnut tpcp tper tpir tppp tppr tpte tptp tptr tput trcc tre- trec tree trei tren tret treu tri- tric trie trin trip trit trpc trpe trpn trpp trtc trte trtr truc true trun trut truu ttcn ttcp tten tter tttt tucc tuei tuen tuer tuet tuin tuit tuiu tunc tune tuni tunn tunu tupe tupi tupu turc ture turi turn turp turr turt turu tute tuti tutt tutu u-ie u-rp ucci uccp ucin ucrc ucut uein ueir uepi uint uipi uirr uncc unce unci uncp unct unec unee unen uner uni- unic unie unii unin unir unit unne unni unpc unte unut upci upen upic upie upin upne upnp uppc uppe uppp uppu upri upup urci ure- uret uric urie urin uriu urne urni urre urri urte urun urup urur urut utec utep uter utin utne utri utti uttu uucp uuen uuni uuri uuuu

-tree c-p-c c-tec ccccc cccii ccett cciii ccitt ccnet ceci- cecie cecri cecun ceene ceere ceint ceipp ceirt cence cenci cenei ceneu cenpi cenpn cenpt cent- centi centr cepci cepet cepic cepie cepii cerc- cerce cerci cerec ceren cerer ceret ceric cerie cerin cerne cerre certe ceten cetic cetin cette cetun ceuti cicer ciceu cient cietc cinct cincu cine- cinii cinit cinti cipce ciper cippi cipre circe ciric cirie cirr- cirri citec citee citer citie citr- citte ciuti cneru cnnnn cntrc cpctc cpeir cpi-u crece creen creep creer cren- crepe crept crepu crete cretu creu- creue creup crice crier crine crini cripe cript crnce crnci crnec crner crnic cruce cruet cruin crune crunt crupe crure cteep cten- ctene ctree ctrie ctrip cttee cucei cucui cuein cueup cuire cuite cunei cunic cunin cunit cunne cunt- cunut cuper cupic cupr- curce curer curet curic curie curre curri curti curup cutcu cutee cuter cuti- cutie cutin cutit cutup e-ten eccen eccup eceni ecipe ecrit eeeee eence eener eenet eenie eepee eerie eeten eetti einen einer einin eipic eipri eirie eirin eiter eitri encre encup encur enent enete eneti ennet ennin ennit ennui enper enpeu enric enrut entei enten enter entin entir entre enure enurn epeen epene eperc epice epine eppie epuni epure erect ereen erept erere erice erier eriic erite eritu ernei ernen ernet ernie errtu erte erter ertun eruct erupt etern etete etine etite etnre etree etrun etten etter ettie ettin eturu eucen eucip eucre eunet eupen euric eurre eutin i-pin ice-t iceci icein iceit iceni icent iceup icici icier icncp icter ictic iecee ieiri ience iepe ieper ierei ierne iette iiiee iiiii iinet iitti iiuni incre incur incut inece ineni inent inept inere ineri inert inice inini inipi inite inner innet innie innit inniu innti inpen input inrun intec inten inter intet intpr intue inuit inure inurn iperu ipeti ipini ipiti ippee ippei ippen ircii irece irene irent irete irinn irite irnen irpin irrep irrit irtec irupi iteen itete itire itnet itrip itter ittre ittti itu-r itu-t itune ituni ituri iturn ituru itutu iunit iunre iunte iuput iurie n-p-n ncree necin necip necr- nect- neece neere neetu neice neipu nenni nente neper neppe nepte neree neret nerii nerre nerte nerur neten netin netne netpc nette netti neuen neuer neueu neuie neuin neuir neune neur- neure neuri nicci nicct nicen nicer nicre niece niene niepe niere niete nieun niiip ninec ninee niner ninti nintu ninur ninut niper nipin nipit nippu nipri nipte nipup nirit niten niter nitin nitr- nitre nitte nitti ntete ntini ntnui nu-nu nucci nucet nuci- nucin nuiit nunce nunet nunit nunni nunun nupen nupur nurce nure- nurin nurit nurri nurun nutec nutri nutte p-n-p p-rep