c-cd cccc cccp ccdc ccdp cced ccee ccoc ccod ccpe ccpp cctc cctt cd-e cdec cdot cec- cece ceco cecp cect cedd cede cedo cedt ceec ceop cepc cepe cepo cepp cept cet- cete ceto cetp coce coco cocp coct codd code coed coep cood coop coot copd cope copo copp copt cotc cote coto cott cpce cpep cppd cptp ctcp ctec ctep ctot ctpo ctpp dccc dccp dcct dcop dcpo dctc dddd ddoc ddot ddpo dec- decc decd dece deco dect dedd dede dedo deed deep deet deop depc depe depo depp dept dete deto doce doco doct dod- dodd dode dodo dood doop doot dope dopo dopp dopt dotd dote doto dott dpcp dpdt dppc dtcc dtdp dted dtot dttp eccc ecce ecco ecct ecdc eced eco- ecod ecop ecot ecpd ecpp ect- ectc ecto eddc edde eddo eddp ede- edoc edod eede eeee eeoc eetc eete eocd eode eotc eotd eoto epcc epec epee epoc epod epot eppc eppo eppp epte etcc etco etec etee etoe ette etto o-eo occc occt oce oced ocee ocet ocpd ocpp oct- octe octo oddd oded odeo odet odoo odop odot oec- oecc oedo oeec oooo ootp opec oped opep opet opo- oppo opto otcd oted otee otep oto- otoe otoo otpp otte otto pccc pcce pcep pcod pcoe pcpp pcte pdcp pdoc pdtc pece peco pect ped- pede pedo peec peed peep peet pepd pepe pepo pete peto pett pocd poce poco pod- podd pode podo poed poet pood poop poot pop- popc pope popo popp popt potc potd pote poto pott ppcc ppcd ppod pppd pppo pppp pptt ptcc ptdc ptop ptpd pttc tccc tcdd tcep tcpo tctc teco tect tedd tede teec teed teet tepe tepp tete teto tett toce toco todd tode todo todt toed toee toet tood toot top- topd tope topo topp topt totc totd tote toto tott tpcd tpcp tped tppd tppp tpte tptp ttcp tteo ttoe ttop tttt