cccc cccp cccu ccee ccoc ccpe ccpp cctc cctt ccuc ccup ccut cec- cece ceco cecp cect ceec ceop ceou cepc cepe cepo cepp cept cet- cete ceto cetp coce coco cocp coct cocu coep coop coot cope copo copp copt cotc cote coto cott cotu coue coup cout cpce cpcu cpep cptp ctcp ctec ctep ctot ctpo ctpp cucc cuce cupe cupo cupp cut- cutc cute cuto cutt eccc ecce ecco ecct eco- ecop ecot ecou ecpp ect- ectc ecto eeee eeoc eetc eete eetu eotc eoto epcc epec epee epoc epot eppc eppo eppp epte etcc etco etec etee etoe ette etto ettu 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 ottu oucc oupe out- oute outo ouu- pccc pcce pcep pcoe pcpp pcte pece peco pect peec peep peet peou pepe pepo pete peto pett peut poce poco poet poop poot pop- popc pope popo popp popt potc pote poto pott potu poup pout ppcc pppo pppp pptt ptcc ptop pttc pu-e puce pueo puet pueu pupe pupu put- pute puto putt putu puuc tccc tccu tcep tcpo tctc teco tect teec teet tepe tepp tepu tete teto tett tetu teut toce toco toee toet toot top- tope topo topp topt topu totc tote toto tott toup tout tpcp tppp tpte tptp tput ttcp tteo ttoe ttop tttt tucc tuco tuet tupe tupo tupu tute tuto tutt tutu tuuo uccp ucut uocc uppc uppe uppp uppu upto upup utec utep utto uttu uucp uuoc uuuu