pred pree pren prep pret preu pri- prid prie prii prin prnd prnp prpd prrd prri prtc prti prtp prtr prud prue prut pruu ptcc ptdc pten pter ptpd ptrd pttc ptui pu-e puce pudu pued puer puet pueu puid puin puir puit puiu punc pund pune punt punu pupe pupi pupu pur- pure puri purp purr puru put- pute puti putt putu puuc rccc rcdc rcde rcep rcet rcic rcid rcnr rcpd rcpi rcpt rcrd rctc rcti rder rdpc recc recd rece reci recp recr rect recu redc redd rede redi redr redu reed reen reep reet reid reii rein reir reit reiu rend rene reni renn rent renu repe repi repp repr rept repu rerd rere reri rert reru retd rete reti retr rett reue reup reut reuu ricc rice rict ridc ridd ride ridi ried rien riep rier riet rieu riin rind rine rinn ripd ripe ripi ripp ripr ript rire riri rite riti ritt ritu riue rncp rndc rndp rnie rnin rnnt rntd rntp rnut rpdp rpet rpii rppn rptd rptn rred rrrr rrun rtcc rtce rtdt rtee rtei rtnd rttp ruce ruci ruct rudd rude rudi rudp rued ruen ruer ruet ruid ruin ruit runc rund rune runi runn runt rupe rupp rupt rurc rurd rure ruri rurp ruru rute ruti rutt rutu ruud ruun tccc tccu tcdd tcep tcnn tctc tdri tecr tect tedd tede tedi teec teed teen teer teet teic teie tein teip teir teiu tenc tend 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 tidc tidd tide tie- tied tiee tiei tien tiep tier tiet tiit tiiu tinc tind tine tini tinn tint tinu tip- tipc tipe tipi tipp tipt tipu tird tire tiri tirr tiru titc tite titi titp titt titu tncc tndd tnut tpcd tpcp tpdu tped tper tpir tppd tppp tppr tpte tptp tptr tput trcc tre- trec tred tree trei tren tret treu tri- tric trie trin trip trit trpc trpe trpn trpp trtc trte trtr truc trud true trun trut truu ttcn ttcp tten tter tttt tucc tude tudi tudu tuei tuen tuer tuet tuin tuit tuiu tunc tund tune tuni tunn tunu tupe tupi tupu turc turd ture turi turn turp turr turt turu tute tuti tutt tutu u-ie u-rp ucci uccp ucdc ucdd ucin ucrc ucut uddi uden uder udet udic udid udin udir udpd udun uein ueir uend uepi uint uipi uirr uncc unce unci uncp unct unde undi unec uned unee unen uner uni- unic unie unii unin unir unit unne unni unpc unte unut upci uped upen upic upie upin upne upnp uppc uppe uppp uppu upri upup urci urde urdu ure- ured uret uric urie urin uriu urne urni urre urri urte urun urup urur urut utec utep uter utid utin utne utpd utri utti uttu uucp uuen uuni uuri uuuu