recc rece recp recr rect recu reen reep reet rena rene renn rent renu repe repp repr rept repu rera rere rert reru reta rete retr rett reue reup reut reuu rncp rnnt rntp rnut rpca rpet rppn rpta rptn rrat rrna rrrr rrun rtan rtca rtcc rtce rtee rtpa rttp ruan ruca ruce ruct ruen ruer ruet runa runc rune runn runt rupa rupe rupp rupt rura rurc rure rurp ruru ruta rute rutt rutu ruun taa- taan taar taat taca tacc tace tact taec taen taer tana tane tann tant tanu tapa tape tapp tapr tapt tapu tara tarc tare tarn tarp tarr tart taru tata tate tatr tatt tatu taua tauc taue taur taut tcap tcca tccc tccu tcep tcnn tcpa tctc teac tean tear teat teca tecr tect teec teen teer teet tena tenc tene tenn tenp tent tenu tepa tepe tepp tepu ter- tera terc tere tern terp terr teru teta tete tetr tett tetu teut tnca tncc tnut tpac tpap tpau tpcp tper tppa tppp tppr tpte tptp tptr tput traa trac trae tran trap trat trau trca trcc tre- trea trec tree tren tret treu trna trpa trpc trpe trpn trpp trra trtc trte trtr truc true trun trut truu ttcn ttcp tten tter tttt tuae tuan tuar tuat tuca tucc tuen tuer tuet tuna tunc tune tunn tunu tupa tupe tupu tura turc ture turn turp turr turt turu tuta tute tutt tutu u-rp uaca uarc uart uaru uata uatu uaua ucan ucar ucat ucca uccp ucea ucpa ucrc ucua ucut unaa unac unan unar unat unau unca uncc unce uncp unct unec unee unen uner unna unne unpa unpc unra unte unut upac upar upat upca upen upne upnp uppa uppc uppe uppp uppu upra upup urac uran urap urat urau urca ure- urea uret urna urne urra urre urte urun urup urur urut utac utan utau utec utep uter utne utpa uttu uucp uuen uuta uuuu