cccc cccp ccee ccoc ccpe ccpp cctc cctt cec- cece ceco cecp cect ceec ceop cepc cepe cepo cepp cept cet- cete ceto cetp cexe coce coco cocp coct coep coex coop coot cope copo copp copt cotc cote coto cott coxe cpce cpep cpox cptp ctcp ctec ctep ctot ctpo ctpp cxpo cxxx eccc ecce ecco ecct eco- ecop ecot ecpp ect- ectc ecto eeee eeoc eetc eete eext eotc eoto epcc epec epee epoc epot epox eppc eppo eppp epte epxp etcc etco etec etee etoe etox ette etto exco exec exo- expo expt exte o-eo occc occt oce ocee ocet ocpp oct- octe octo oec- oecc oeec oooo ootp opec opep opet opex opo- oppo opto otee otep oto- otoe otoo otpp otte otto oxep oxo- oxox oxxo 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 ptox pttc tccc tcep tcpo tctc teco tect teec teet tepe tepp tete teto tett tetx text toce toco toee toet toot top- tope topo topp topt totc tote toto tott tox- toxo toxt tpcp tppp tpte tptp ttcp tteo ttoe ttop tttt xexe xoco xote xoxo xpcc xpot xpto xtep xxxo xxxx