c-cd cccc ccci cccu ccdc ccdi ccdr cced ccee ccic ccid ccii ccir ccrc ccre ccri ccuc cd-e cd-r cddr cdec cder cdic cdii cdre cec- cece ceci cedd cede cedi cedu ceec cer- cerc cerd cere ceri ceui cicc cici cicr cicu cidc cide cidi cidr ciee cier ciid ciii circ cire ciri cirr ciuc crcc crce crcr crdc cre- crec cred cree crei creu cric crie criu crud crue cucc cuce cuci cude cudi cued cuer cui- cuir curd cure curi curr dccc dcci dccu dcii dddd ddie ddrc ddre dec- decc decd dece deci dedd dede dedi dedu deed deer deid deie deir der- derc dere deri derr deue deur dice dici dide didi didu died dier dieu diii dird dire dirr dred dree drei dric drie drue drui druu duce dudd dude dudu duer duid duir dure duri duru duur eccc ecce ecci ecdc eced ecrc ecri ecrr ecru eddc edde eddi ede- edei eder edie edru educ edur eede eedu eeee eerc eid- eide eidi eidr eidu eiec eied eiei eier eird eire ercc erce erde erdi erec ered erei erer eric erie eriu errc erre eruc erur eucd eude euer eur- eurc eure iccc icci iccr iccu icdc icdd icde icec iced icee icer icrc icre icrr icru icue idce idcr idec ided idee ider idic idid idie idir idrc idre iecc iedr ieie iere ieri ieud iicd iide iied iiie iiii iirc iiuc ircc ircd ircu irdc ired iree irer iri- iric irid irie irrc irre irri iucc iuce iuiu rccc rcdc rcde rcic rcid rcrd rder recc recd rece reci recr recu redc redd rede redi redr redu reed reid reii reir reiu rerd rere reri reru reue reuu ricc rice ridc ridd ride ridi ried rier rieu rire riri riue rred rrrr ruce ruci rudd rude rudi rued ruer ruid rurc rurd rure ruri ruru ruud u-ie ucci ucdc ucdd ucrc uddi uder udic udid udir ueir uirr urci urde urdu ure- ured uric urie uriu urre urri urur uuri uuuu