c-cd cccc cccf ccci cccp ccdc ccdf ccdi ccdp ccdr cced ccee ccfc ccfd ccff ccfi ccic ccid ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccrf ccri ccrp cd-e cd-r cddr cdec cdef cder cdfe cdic cdii cdre cec- cece ceci cecp cedd cede cedi ceec cef- cefc ceip cepc cepe cepp cepr cer- cerc cerd cere cerf ceri cerp cfcf cfdp cffr cfpr cfre cfrp cicc cici cicr cidc cide cidi cidp cidr ciee cier cife ciff ciid ciii cipf cipp circ cire ciri cirr cpce cpep cper cpff cpic cpif cppd cpre cpri crcc crce crcr crdc cre- crec cred cree crei crep crfc cric crie crif crip crpc dccc dcci dccp dcfc dcii dddd ddie ddrc ddre dec- decc decd dece deci dedd dede dedi deed deef deep deer defe deff defi deid deie deif deip deir depc depe depp depr der- derc dere derf deri derp derr dfcc dfer dfrf dfri dice dici dide didi died dief diep dier dif- diff diii dipc dipe dipp dird dire dirr dpci dpcp dper dpie dppc dred dree dref drei drfc dric drie drif drip eccc ecce ecci ecdc ecdf eced ecef ecfc ecfr ecip ecpd ecpp ecrc ecrf ecri ecrr eddc edde eddi eddp ede- edei eder edie edif edip eede eeee eefe eerc effi efic eid- eide eidi eidr eiec eied eiei eier eipr eird eire epcc epci epec epee eper epfc epi- epic epid epie epip eppc eppp eprp ercc erce ercp erde erdf erdi erec ered erei erer erfc eric erie erpe errc erre fccf fccp fcic fcii fdic fece fede fedi feed feer fefc fefe feff fefi feid feie feir fepc ferc ferd fere ferr ffcc ffee ffff ffii ffrr ficc fice fidc fide fidf fiec fief fier fifc fife fiff fifi fiii fipp fire fp-c fpcc fprf frcc frcp fred free frei frep frfc fric frid frie frip frpd iccc iccf icci iccp iccr icdc icdd icde icdp icec iced icee icef icer icpc icpd icrc icre icrf icrr idce idcr idec ided idee idef ider idfc idfp idic idid idie idir idrc idre idrf iecc iedr ieie iere ieri ifcd ifcp ifer ific ifid ifrf ifri iicd iide iied iiie iiii iipf iirc ipcc ipce ipdc ipdi ipec iper ipfc ipid ipie ippc ippf ippr ipri ircc ircd irdc irdp ired iree irer irfe iri- iric irid irie irip irpc irpe irrc irre irri pccc pcce pcep pcer pcfc pcip pcpp pcrc pcrd pcre pcrf pdci pdcp pdic pdpr pdrc pece peci pecr ped- pede pedf pedi peec peed peep peer pefc peff peip peir pepd pepe pepi per- perc perd pere perf peri perp perr pfce pfff pffr pfic picc pice pici picr pide pied piep pier piff piip pipe pipi pipp pirc pire piri pirr ppcc ppcd ppci pper ppic ppid ppie ppif pppd pppp pprc pprf prcc prcd prcf prcp pre- prec pred pree pref prep prfc pri- prid prie prif prii prpd prrd prri rccc rcdc rcde rcep rcfc rcic rcid rcpd rcpi rcrd rder rdpc recc recd rece reci recp recr redc redd rede redi redr reed reef reep refd refe reff refi refr reid reif reii reir repe repi repp repr rerd rere reri rfdi rfef rffc rfic rfid ricc rice ridc ridd ride ridi ried rief riep rier rife riff riif ripd ripe ripi ripp ripr rire riri rpdp rpfc rpii rred rrfc rrif rrrr