PTERIDOID

de do ed er et id it od oe oi op or pe pi re ti to

did die dip dit doe dor dot ire odd ode ope opt ore ort ped per pet pie pit pod poi pot pro red rei rep ret rid rip rod roe rot ted tie tip tod toe top tor

dido died diet dipt dire dirt dite doer doit dope dore dorp dote drip drop eddo edit ired irid oped peri pert pied pier poet pore port prod redd redo repo ride riot ripe rite rode rope rote roti tide tied tier tipi tire tiro toed tope topi tore tori trio trip trod trop