cccc cccp ccee ccoc ccpe ccpp cctc cctt cec- cece ceco cecp cect ceec ceop cepc cepe cepo cepp cept cet- cete ceto cetp coce coco cocp coct coep coop coot cope copo copp copt cotc cote coto cott cpce cpep cptp ctcp ctec ctep ctot ctpo ctpp eccc ecce ecco ecct eco- ecop ecot ecpp ect- ectc ecto eeee eeoc eetc eete eotc eoto epcc epec epee epoc epot eppc eppo eppp epte etcc etco etec etee etoe ette etto o-eo occc occt oce ocee ocet ocpp oct- octe octo oec- oecc oeec oooo ootp opec opep opet opo- oppo opto otee otep oto- otoe otoo otpp otte otto pccc pcce pcep pcoe pcpp pcte pece peco pect peec peep peet pepe pepo pete peto pett poce poco poet poop poot pop- popc pope popo popp popt potc pote poto pott ppcc pppo pppp pptt ptcc ptop pttc tccc tcep tcpo tctc teco tect teec teet tepe tepp tete teto tett toce toco toee toet toot top- tope topo topp topt totc tote toto tott tpcp tppp tpte tptp ttcp tteo ttoe ttop tttt