HYDROPOWER

de do ed eh er he ho od oe oh op or ow oy pe re we wo ye yo

dew dey doe dor dow dry dye edh err hep her hew hey hod hoe hop how hoy hyp ode oho ooh ope ore owe ped peh per pew pod poh poo pow pro pry pye red rep rho rod roe row rye wed who why woe woo wop wry wye yeh yep yew yod yow

dewy dhow doer door dope dopy dore dorp dorr dory drew drop dyer herd hero hoed hoer hood hoop hope howe hype hypo odor ohed oped ordo owed oyer phew pood pooh poor pore prey prod prow pyre pyro redo repo rode rood rope ropy whey whop wood word wore yodh yore yowe