eeee eete eetu eoto epee epot eppo eppp epte eptv etee etoe ette etto ettu etvo evet evoe evoo evop o-eo oevp oooo ootp opep opet opo- oppo opto otee otep oto- otoe otoo otov otpp otte otto ottu oupe oupv out- oute outo ouu- ovee ovet ovo- ovoo ovot ovpp peep peet peev peou pepe pepo pete peto pett peut poet poop poot pop- pope popo popp popt pote poto pott potu poup pout povo pppo pppp pptt pptv ptop pu-e pueo puet pueu pupe pupu put- pute puto putt putu teet teev tepe tepp tepu tete teto tett tetu teut toee toet toot top- tope topo topp topt topu topv tote toto tott toup tout touv tove tovo tppp tpte tptp tput tteo ttoe ttop tttt tuet tupe tupo tupu tute tuto tutt tutu tuuo tvtv uovo uppe uppp uppu upto uptv upup utep utto uttu uuuu uvvu veep veet vepe vete veto veve vevo voet voeu voot vopt vote voto votp voue vout vutv vvvv