c-cd cccc ccci ccdc ccdi ccdr cced ccee ccic ccid ccii ccir ccrc ccre ccri cd-e cd-r cddr cdec cder cdic cdii cdre cec- cece ceci cedd cede cedi ceec cer- cerc cerd cere ceri cicc cici cicr cidc cide cidi cidr ciee cier ciid ciii circ cire ciri cirr crcc crce crcr crdc cre- crec cred cree crei cric crie dccc dcci dcii dddd ddie ddrc ddre dec- decc decd dece deci dedd dede dedi deed deer deid deie deir der- derc dere deri derr dice dici dide didi died dier diii dird dire dirr dred dree drei dric drie eccc ecce ecci ecdc eced ecrc ecri ecrr eddc edde eddi ede- edei eder edie eede eeee eerc eid- eide eidi eidr eiec eied eiei eier eird eire ercc erce erde erdi erec ered erei erer eric erie errc erre iccc icci iccr icdc icdd icde icec iced icee icer icrc icre icrr idce idcr idec ided idee ider idic idid idie idir idrc idre iecc iedr ieie iere ieri iicd iide iied iiie iiii iirc ircc ircd irdc ired iree irer iri- iric irid irie irrc irre irri rccc rcdc rcde rcic rcid rcrd rder recc recd rece reci recr redc redd rede redi redr reed reid reii reir rerd rere reri ricc rice ridc ridd ride ridi ried rier rire riri rred rrrr