rcti rebb rebe rebu recc rece reci recp recr rect recu reeb 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 rib- ribe ribu ricc rice rict rien riep rier riet rieu riin rine rinn ripe ripi ripp ripr ript rire riri rite riti ritt ritu riue rnbr rncp rnie rnin rnnt rntp rnut rpet rpii rppn rptn rrrr rrun rtcc rtce rtee rtei rttp rubb rube rubi rubp rubu 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 tbcb tbcc tbce tbit tbrb tbtp tccc tccu tcep tcnn tctc tebu tecr tect teec teen teer teet teic teie tein teip teir teiu tenb 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 tibi tibu ticc tice tie- tiee tiei tien tiep tier tiet tiit tiiu tinc tine tini tinn tint tinu tip- tipc tipe tipi tipp tipt tipu tirb tire tiri tirr tiru titc tite titi titp titt titu tnbc tncc tneb tnut tpcp tper tpir tppp tppr tpte tptp tptr tput trcc tre- trec tree trei tren tret treu tri- trib tric trie trin trip trit trpc trpe trpn trpp trtc trte trtr trub truc true trun trut truu ttbb ttcn ttcp tten tter tttt tubb tube tubr tubu tucc tuei tuen tuer tuet tuin tuit tuiu tunb tunc tune tuni tunn tunu tupe tupi tupu turb turc ture turi turn turp turr turt turu tute tuti tutt tutu u-ie u-rp ubbe ubbi uber ubet ubic ubii ubir ubit ubpc ucbc ucci uccp ucin ucpb ucrc ucut uein ueir uepi uint uipi uirr unbe uncc unce unci uncp unct uneb unec unee unen uner uni- unic unie unii unin unir unit unne unni unpc untb unte unut upbe upci upen upic upie upin upne upnp uppc uppe uppp uppu upri upup urbe urbi urci ure- uret urib 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