dddd ddot ddpo dedd dede dedo deed deep deet deop depe depo depp dept dete deto dod- dodd dode dodo dood doop doot dope dopo dopp dopt dotd dote doto dott dpdt dtdp dted dtot dttp edde eddo eddp ede- edod eede eeee eete eode eotd eoto epee epod epot eppo eppp epte etee etoe ette etto o-eo oddd oded odeo odet odoo odop odot oedo oooo ootp oped opep opet opo- oppo opto oted otee otep oto- otoe otoo otpp otte otto ped- pede pedo peed peep peet pepd pepe pepo pete peto pett pod- podd pode podo poed poet pood poop poot pop- pope popo popp popt potd pote poto pott ppod pppd pppo pppp pptt ptop ptpd tedd tede teed teet tepe tepp tete teto tett todd tode todo todt toed toee toet tood toot top- topd tope topo topp topt totd tote toto tott tped tppd tppp tpte tptp tteo ttoe ttop tttt