nurr nurt nuru nute nuth nutt nutu rbbb rbbr rbcl rbgh rble rcbc rccb rccc rcet rcgc rchb rcle rcnl rcnr rcrg rctc rctg rebb rebe rebu recc rece rech recr rect recu reeb reel reen reet rege regl regn regr regt regu rehb rehe rehn reht relb rele rell relt rene reng renn rent renu rere rerg rert reru rete reth retr rett reue reul reut reuu rgbe rgtr rhbg rhce rhcg rheb rhee rhen rhet rhue rhug rhun rlcg rlee rleu rlug rnbr rnhl rnnt rnut rrle rrrr rrun rtcc rtce rtcg rtee rtle rtlt rubb rube rubu ruce ruch ruct ruel ruen ruer ruet ruge rugg rugh ruhe ruhh ruhl ruhn ruhr rule rull runc rune rung runn runt rurc rure ruru rute ruth rutl rutt rutu ruun tbcb tbcc tbce tbrb tccc tccu tch- tche tchh tchr tchu tcnn tctc tcul tebu tech tecl tecr tect teec teel teen teer teet tegg tegh tegt tegu tehr tel- telc tele telg tell teln telt telu tenb tenc tene teng tenn tent tenu ter- terc tere tern terr teru tete teth tetr tett tetu teut tgcc tgel tgle tgtc thch the- theb thec thee thel then ther thet theu thnt thre thru thtb thtr thue thug thul thun thur tlen tlgc tnbc tncc tneb tnge tnut trcc trcl tre- trec tree treg tren tret treu trge trng trtc trte trtr trub truc true trug trun trut truu ttbb ttcn tten tter tttt ttul tubb tube tubr tubu tucc tuch tuel tuen tuer tuet tugg tugh tugu tuht tuhu tule tull tulu tunb tunc tune tung tunn tunu turb turc ture turg turn turr turt turu tute tutl tutt tutu ubbe uber ubet uble ucbc ucel uche ucrc ucut uele uell ugcc ugcg uggt ughe ugne ugur uguu uhcl uher uhle uhuh ulbc ulcc ulch uleb ulee ulen ulle ullr ulne ultt ulul unbe uncc unce uncg unch uncl unct uneb unec unee unen uner ungu unle unne untb unte unth unut urbe urch ure- ureh uret urge urgh urgu urle urne urre urrh urte urth urun urur urut utec utel uter uthe utne uttu utug uuen uulu uuuu