pubu puce pueo puer puet pueu puir puit puiu pupe pupi pupu pur- purb pure puri puro purp purr puru put- pute puti puto putt putu puuc rbbb rbbr rcbc rcbo rccb rccc rcep rcet rcic rcpi rcpo rcpt rctc rcti rebb rebe rebo rebu recc rece reci recp recr rect recu reeb reep reet reii reir reit reiu reop reot reou repe repi repo repp repr rept repu rere reri rero rert reru rete reti reto retr rett reue reup reut reuu rib- ribe ribo ribu ricc rice rico rict riep rier riet rieu riot riou ripe ripi ripp ripr ript rire riri rite riti rito ritt ritu riue rob- robb robe robi robo robt robu rocc roce roco roer roet roio roir roit roiu roob rooi roop roor root rope ropo rorc rore rori roro rort roru rotc rote roti roto rotr rott roub roue roup rout rpet rpii rpob rpoe rrrr rtcc rtce rtee rtei rttp rubb rube rubi rubp rubu ruce ruci ruct ruer ruet ruit rupe rupp rupt rurc rure ruri ruro rurp ruru rute ruti ruto rutt rutu tbcb tbcc tbce tbit tbrb tbtp tccc tccu tcep tcpo tctc tebo tebu teco tecr tect teec teer teet teic teie teip teir teiu teor tepe tepi tepp tepu ter- terc tere teri tero terp terr teru tete teti teto tetr tett tetu teut tibi tibu ticc tice tico tie- tiee tiei tieo tiep tier tiet tiit tiiu tiop tiou tip- tipc tipe tipi tipo tipp tipt tipu tirb tire tiri tiro tirr tiru titc tite titi tito titp titt titu tobe tobi tobo tobt tobu toce toci toco toee toei toer toet toie toit toor toot top- tope topi topo topp topt topu torc tore tori toro torp torr tort toru totc tote toti toto totr tott toui toup tour tout tpcp tper tpir tppp tppr tpte tptp tptr tput trcc tre- trec tree trei treo tret treu tri- trib tric trie trio trip trit troc troe troi troo trop trot trou trpc trpe trpp trtc trte trtr trub truc true trut truu ttbb ttcp tteo tter ttoe ttop tttt tubb tube tubo tubr tubu tucc tuco tuei tuer tuet tuit tuiu tuor tupe tupi tupo tupu turb turc ture turi turo turp turr turt turu tute tuti tuto tutt tutu tuuo u-ie u-rp ubbe ubbi ubbo uber ubet ubic ubii ubir ubit uboc ubpc ucbc ucci uccp ucio ucpb ucrc ucut ueir uepi uipi uirr uocc uor- uore upbe upci upic upie upor uppc uppe uppp uppu upri upto upup urbe urbi urci ure- uret urib uric urie uriu uro- uroo urpo urre urri urte urup urur urut utec utep uter utor utri utti utto uttu uucp uuoc uuri uuuu