PERIGONIUM

em en er go in me mi mo mu ne no nu oe oi om on op or pe pi re um un up

ego emu eng eon erg ern gem gen gie gin gip gnu gor gum gun imp ion ire meg men mig mir mog mon mop mor mug mun neg nim nip nog nom nor one ope ore our peg pen per pie pig pin piu poi pom pro pug pun pur reg rei rem rep rig rim rin rip roe rom rue rug rum run ump upo urn urp

emir ergo euro genu germ geum gien gimp girn giro goer gone gore gorm gorp grim grin grip grue grum impi inro iron meno menu meou mien mine mini mire miri mope more morn moue muni muon mure neum noir nome nope nori norm ogre omen omer open pein peon peri perm pier pine ping pion pirn poem pome pone pong pore porn pour prig prim prog prom pung pure puri rein repo rime ring ripe romp rope roue roup ruin rump rune rung upon urge