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 ceke cer- cerc cerd cere ceri cicc cici cicr cidc cide cidi cidr ciee cier ciid ciii cikr circ cire ciri cirk cirr ckck cker ckrc ckrd crcc crce crcr crdc cre- crec cred cree crei cric crie crik crkc dccc dcci dcii dcrk dddd ddie ddrc ddre dec- decc decd dece deci deck dedd dede dedi deed deek deer deid deie deir dek- deke der- derc dere deri derk derr dice dici dick dide didi died dier diii dike diki dird dire dirk dirr dkdc dkid dred dree drei drek dric drie eccc ecce ecci ecdc eced ecrc ecri ecrr eddc edde eddi ede- edei eder edie edik eede eeee eeke eerc eick eid- eide eidi eidr eiec eied eiei eier eike eiki eird eire eked ekek eker ekki ercc erce erde erdi erec ered erei erer eric erie erik erke erki errc erre iccc icci iccr icdc icdd icde icec iced icee icer icke 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 ikee iker ikid ikki ikri ircc ircd irdc ired iree irer iri- iric irid irie irki irrc irre irri k-ci k-id kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcec kced kcee kcei kcic kcid kcie kcii kcir kckc kckk kckr kcrc kcri kcrr kdcc kdcd kdce kdcr kddc kddd kddi kddk kddr kdec kdei kdic kdkd kdkk kdkr kdri keck kecr kedc kedd kede kedi kedr keed keek keer keid keii keik keir kekc keke keki ker- kerc kere keri kerk kerr kicc kicd kice kick kicr kidd kide kidi kidk kidr kier kiic kiid kiii kiik kikc kikd kiki kikk kikr kirc kiri kirk kirr kkcd kkci kkck kkcr kkdc kkdd kked kkic kkid kkik kkkk kkrc kkre kkrk kkrr krcc krcd krce krci krdc krdd krde krdr krec kred kree krei krek krid krik krkc krkd krke krki krkk krkr krrc krre krri krrk krrr rccc rcdc rcde rcic rcid rcrd rder recc recd rece reci reck recr redc redd rede redi redr reed reek reid reii reik reir reke reki rerd rere reri ricc rice rick ridc ridd ride ridi ried riek rier rike riki rikk rire riri rred rrrr