cccc ccci cccu ccee ccic ccii ccir ccix ccrc ccre ccri ccrt cctc cctt ccuc ccut ccxi cec- cece ceci cect ceec cer- cerc cere ceri cert cet- cete ceti ceui ceux cexe cicc cici cicr cict cicu ciee cier ciii ciit circ cire ciri cirr cirt cite citi citt citu ciuc cixi crcc crce crcr cre- crec cree crei cret creu crex cric crie crit criu crrt crtc crue crut crux ctec ctic ctrc cucc cuce cuci cuer cui- cuir cuit cure curi curr curt cut- cutc cute cutt cxii cxix cxxi cxxx eccc ecce ecci ecct ecit ecrc ecri ecrr ecru ect- ectc eeee eerc eetc eete eetu eext eiec eiei eier eire eitc eiti eitr er-x ercc erce erec erei erer eret eric erie erit eriu errc erre ertu eruc erur etcc etec etee eter etic etix etre ette etti ettu etui etux euer eur- eurc eure eurt exec exer exit exrx exte extr iccc icci iccr icct iccu icec icee icer icet icex icrc icre icrr icrt icru icue iecc ieet ieie iere ieri iett iiie iiii iiit iirc iitr iitt iiuc ircc ircu ircx iree irer irex iri- iric irie irix irrc irre irri irte irti itec iter itet itex itic itie itri itur iucc iuce iuiu ixxi rccc rcet rcic rctc rcti recc rece reci recr rect recu reet reii reir reit reiu rere reri rert reru rete reti retr rett reue reut reuu reux rexx ricc rice rict rier riet rieu riex rire riri rite riti ritt ritu riue rixc rixe rrrr rtcc rtce rtee rtei rtex ruce ruci ruct ruer ruet ruit rurc rure ruri ruru rute ruti rutt rutu tccc tccu tctc tecr tect teec teer teet teic teie teir teiu ter- terc tere teri terr teru tete teti tetr tett tetu tetx teut text ticc tice tie- tiee tiei tier tiet tiit tiiu tire tiri tirr tiru titc tite titi titt titu tixt trcc tre- trec tree trei tret treu trex tri- tric trie trit trix trtc trte trtr truc true trut truu trux tter tttt tucc tuei tuer tuet tuit tuiu tuix turc ture turi turr turt turu tute tuti tutt tutu txii txtr u-ie ucci ucrc ucut ueir uext uirr urci ure- uret urex uric urie uriu urix urre urri urte urur urut utec uter utri utti uttu uuri uuuu uxue xcii xcri xeer xer- xert xexe xiii xixi xtie xuri xuxu xxii xxix xxxi xxxx