rept repu rere rerg reri rero rert reru rete reti reto retr rett reue reup reut reuu rgit rgtr ricc rice rico rict riep rier riet rieu rige rigg rigi rigo rigu riot riou ripe ripi ripp ripr ript rire riri rite riti rito ritt ritu riue rocc roce roco roeg roer roet roge rogg rogi rogo roig roio roir roit roiu roog rooi roop roor root rope ropo rorc rore rori roro rort roru rotc rote rotg roti roto rotr rott roue roup rout rpet rpii rpoe rrrr rtcc rtce rtcg rtee rtei rttp ruce ruci ruct ruer ruet ruge rugg rugi ruit rupe rupp rupt rurc rure ruri ruro rurp ruru rute ruti ruto rutt rutu tccc tccu tcep tcpo tctc teco tecr tect teec teer teet tegg tegi tego tegt tegu 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 tgcc tgtc ticc tice tico tie- tiee tiei tieo tiep tier tiet tige tigi tigr tiit tiiu tiop tiou tip- tipc tipe tipi tipo tipp tipt tipu tire tiri tiro tirr tiru titc tite titi tito titp titt titu toce toci toco toee toei toer toet toge togo togr togt toie toit toor toot top- tope topi topo topp topt topu torc tore torg tori toro torp torr tort toru totc tote toti toto totr tott toug toui toup tour tout tpcp tpeg tper tpir tppp tppr tpte tptp tptr tput trcc tre- trec tree treg trei treo tret treu trge tri- tric trie trig trio trip trit troc troe trog troi troo trop trot trou trpc trpe trpg trpp trtc trte trtr truc true trug trut truu ttcp tteo tter ttoe ttop tttt tucc tuco tuei tuer tuet tugg tugu tuig tuit tuiu tuor tupe tupi tupo tupu turc ture turg turi turo turp turr turt turu tute tuti tuto tutt tutu tuuo u-ie u-rp ucci uccp ucio ucrc ucut ueir uepi ugcc ugcg ugeo ugep uggo uggt ugri ugro ugur uguu uige uipi uirr uocc uor- uore upci upgo upic upie upor uppc uppe uppp uppu upri upto upup urci ure- uret urge urgi urgu uric urie uriu uro- uroo urpo urre urri urte urup urur urut utec utep uter utor utri utti utto uttu utug uucp uuoc uuri uuuu