PENNIGEROUS

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eger egis egos engs eons epos ergo ergs erne erns eros esne euro gees gene gens genu gien gies gins gips girn giro gnus goer goes gone gore gorp gree grin grip grue guns inns inro ions ires iron neep negs nene neon nine nips noes nogs noir none nope nori nose noun nous nuns ogee ogre ones onus open opes opus ores ours peen peer pees pegs pein pens peon pere peri peso pier pies pigs pine ping pins pion pirn piso pois pone pong pons pore porn pose pour pree prig prog pros pugs pung puns pure puri purs rees regs rein reis repo reps rigs ring rins ripe rips rise roes rope rose roue roup rues rugs ruin rune rung runs ruse seen seep seer sego sene sere sign sine sing sipe sire snip snog snug sone song sore sori sorn soup sour spin spue spun spur suer sung sunn supe sure upon urge urns urps user