c-cd cccc cccf cccp ccdc ccdf ccdp ccdr cced ccee ccfc ccfd ccff ccoc ccod ccow ccpe ccpp ccpr ccrc ccre ccrf ccrp ccrt cctc cctt cd-e cd-r cddr cdec cdef cder cdfe cdot cdre cec- cece ceco cecp cect cedd cede cedo cedt ceec cef- cefc ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cerd cere cerf cero cerp cert cet- cete ceto cetp cewe cfcf cfco cfcw cfdp cffr cfor cfpo cfpr cfre cfrp cfrt cfrw cftc cfte cftr cfwc coce coco cocp coct codd code coed coep cofc cofe coff coft cood coof coop coot copd cope copo copp copr copt cor- corc cord core corf coro corp corr cort cotc cote coto cott cotw cowd cowe cowp cowt cpce cpep cper cpff cpft cppd cpre cprt cptp cptr crcc crce crcr crdc cre- crec cred cree creo crep cret crew crfc croc crod croe croo crop cror crot crow crpc crrt crtc crtf crtp crwd ctcf ctcp ctec ctep ctfc ctfo ctor ctot ctpo ctpp ctrc ctrp cttw cwer cwfc cwot cwrw dccc dccp dcct dcfc dcop dcpo dctc dddd ddoc ddot ddpo ddrc ddre dec- decc decd dece deco dect dedd dede dedo deed deef deep deer deet defe deff defo deft deop deor depc depe depo depp depr dept der- derc dere derf dero derp derr dete deto detr dewe dfcc dfco dfdt dfer dfoe dfrf dftr doce doco doct dod- dodd dode dodo doer doff dood doof doop door doot dope dopo dopp dopr dopt dorc dord dore dorf doro dorp dorr dort dotd dote doto dott dowd dowe dowf dowp dowr dowt dpcp dpdt dper dppc dred dree dref dret drew drfc drod drof drop drot drow dtcc dtdp dted dtfc dtor dtot dttp dwct dwcw dwdd dwec dwer dwet dwor dwrd dwrt dwrw dwte dwwe dwww eccc ecce ecco ecct ecdc ecdf eced ecef ecfc ecfr eco- ecod ecop ecot ecpd ecpp ecrc ecrf ecrr ect- ectc ectf ecto eddc edde eddo eddp ede- eder edoc edod eede eeee eefe eeoc eerc eero eetc eete efco efeo efet efor eft- eftp eocd eode eore eotc eotd eoto eotw epcc epec epee eper epfc epoc epod epor epot eppc eppo eppp epro eprp epte ercc erce ercp erde erdf erec ered erer eret erew erfc erft eroc erod eroe eroo erpe errc erre erro erwt etcc etco etec etee eter etfc etfe etoe etre etro ette etto ewer ewew ewft ewre ewte fccf fccp fcot fcto fdoc fdot fdtc fece fect fede feed feer feet fefc fefe feff fefo feod feof fepc ferc ferd fere fero ferr fert fete fetp fetr fett fewd fewe fewt ffcc ffee ffff ffrr fftf fftw ffwd foce foco fode foed foer fofo food foof foot fopp for- ford fore foro forr fort fote foto fotp fott fotw fowd fowe fp-c fpcc fpct fpdt fprf frcc frcp fred free freo frep fret frew frfc froe frop frot frow frpd ft-c ftcd fter ftfc ftop ftpe fttw ftwo fwcc fwdd fwde fwfc o-eo occc occt oce oced ocee ocef ocet ocfp ocpd ocpp ocre ocro ocrr oct- octe octo oddd oded odeo oder odet odoo odop odor odot odrp oec- oecc oedo oeec oere ofcr ofdr ofer off- offc offe offo offr ofor ofre oftp oocr ooer ooff oooo oord oore oort ootp ootw opec oped opep oper opet opo- opor oppo opto orce orco orde ordo ore- orec ored oreo orer orfe orff oro- oroe orof oror orot orpc orpe orro ortc orte orto orwe orwo otcd oted otee otep oter otfc otfp oto- otoe otof otoo otor otow otpp otpw otre otro otte otto otwo owed ower owfe owoe owow owpe owre owt- owte owtt pccc pcce pccw pcep pcer pcfc pcod pcoe pcpp pcrc pcrd pcre pcrf pcte pdcp pdoc pdpr pdrc pdtc pece peco pecr pect ped- pede pedf pedo peec peed peep peer peet pefc peff peor pepd pepe pepo per- perc perd pere perf pero perp perr pert pete peto petr pett pewe pfce pfet pfff pffr pfft pfte pocd poce poco pod- podd pode podo poed poer poet poff pood poof poop poor poot pop- popc pope popo popp popt porc pore poro porr port potc potd pote potf poto pott potw powe powp powr powt ppcc ppcd pper ppod pppd pppo pppp pprc pprf pptt prcc prcd prcf prcp pre- prec pred pree pref prep pret prew prfc pro- proc prod proe prof proo prop prot prow prpd prrd prtc prtp prtr ptcc ptdc pter ptop ptpd ptrd ptrf pttc rccc rcdc rcde rcep rcet rcfc rcpd rcpo rcpt rcrd rctc rcwp rder rdoc rdpc recc recd rece recp recr rect redc redd rede redo redr reed reef reep reet refd refe reff refr reft reod reof reop reot repe repo repp repr rept rerd rere rero rert retd rete reto retr rett rewe rfef rffc rftc rocc roce roco rodd rode rodo rodw roed roer roet rofc rofe roff rofo rood roof roop roor root rope ropo rorc rore roro rort rotc rote roto rotr rott rowd rowe rowf rowp rowr rowt roww rpdp rpet rpfc rpoe rpof rptd rred rrfc rrrr rtcc rtce rtdt rtee rtfc rttp tccc tcdd tcep tcfc tcpo tctc tdff tdor tdwp teco tecr tect tedd tede teec teed teef teer teet tefc teff teft teor teow tepe tepp ter- terc tere terf tero terp terr tete teto tetr tett tewo tfdc tfec tfot tfpt tftc tftp toce toco todd tode todo todt toed toee toer toet toff tofo toft tood toof toor toot top- topd tope topf topo topp topt torc tord tore torf toro torp torr tort totc totd tote toto totr tott towe tpcd tpcp tpdf tped tper tppd tppp tppr tprw tpte tptp tptr trcc tre- trec tred tree tref treo tret trew trfc trfd trfr troc trod troe troo trop trot trow trpc trpe trpp trtc trte trtr trwe ttcp tteo tter ttfc ttff ttoe ttop tttt