cccc ccci cccu ccee ccic ccii ccir ccrc ccre ccri ccrt cctc cctt ccuc ccut cec- cece ceci cect ceec cer- cerc cere ceri cert cet- cete ceti ceui cicc cici cicr cict cicu ciee cier ciii ciit circ cire ciri cirr cirt cite citi citt citu ciuc crcc crce crcr cre- crec cree crei cret creu cric crie crit criu crrt crtc crue crut ctec ctic ctrc cucc cuce cuci cuer cui- cuir cuit cure curi curr curt cut- cutc cute cutt eccc ecce ecci ecct ecit ecrc ecri ecrr ecru ect- ectc eeee eerc eetc eete eetu eiec eiei eier eire eitc eiti eitr ercc erce erec erei erer eret eric erie erit eriu errc erre ertu eruc erur etcc etec etee eter etic etre ette etti ettu etui euer eur- eurc eure eurt iccc icci iccr icct iccu icec icee icer icet icrc icre icrr icrt icru icue iecc ieet ieie iere ieri iett iiie iiii iiit iirc iitr iitt iiuc ircc ircu iree irer iri- iric irie irrc irre irri irte irti itec iter itet itic itie itri itur iucc iuce iuiu 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 ricc rice rict rier riet rieu rire riri rite riti ritt ritu riue rrrr rtcc rtce rtee rtei 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 teut ticc tice tie- tiee tiei tier tiet tiit tiiu tire tiri tirr tiru titc tite titi titt titu trcc tre- trec tree trei tret treu tri- tric trie trit trtc trte trtr truc true trut truu tter tttt tucc tuei tuer tuet tuit tuiu turc ture turi turr turt turu tute tuti tutt tutu u-ie ucci ucrc ucut ueir uirr urci ure- uret uric urie uriu urre urri urte urur urut utec uter utri utti uttu uuri uuuu