NONPRODUCING

do go id in no nu od oi on op or pi un up

cig cod cog con coo cop cor cru cud cup cur dig din dip doc dog don dor dug dui dun duo dup gid gin gip gnu god goo gor gun inn ion nip nod nog noo nor nun ono orc oud our pic pig pin piu pod poi poo pro pud pug pun pur rid rig rin rip roc rod rug run udo upo urd urn urp

cion coin coir coni conn coon coop cord corn coup crop crud curd curn ding dino dong door dorp dour drip drop drug duci dung durn duro gird girn giro good goon goop gorp grid grin grip guid icon inro iron nodi noir noon nori noun nurd odic odor ordo ping pion pirn poco pond pong pood poon poor porn pour prig prod prog pung puri rind ring rood roup ruin rung udon unci unco undo updo upon uric