dddd ddpo dedd dede dedo deed deep deop depe depo depp dhed dhee dhod dod- dodd dode dodo dood doop dope dopo dopp dphp dpph edde eddo eddp ede- edeh edod eede eeee ehdd eheh eode epee eph- epod eppo eppp hdod hedd hede hedo hedp heed heep hehe heho hepe hepp hhhh hode hodh hoed hohe hoho hood hooe hoop hope hopo hopp hpdh hppe o-eo oddd oded odeo odoh odoo odop oedo ohed ohee ohho ohoh ooho oooh oooo oped opep opo- oppo ped- pede pedo peed peep pehe peho pepd pepe pepo phe- phoh phoo pod- podd pode podo poed pood pooh poop pop- pope popo popp ppod pppd pppo pppp