PRIMIGENOUS

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ego ems emu eng ens eon erg ern ers gem gen gie gin gip gnu gor gos gum gun imp ins ion ire ism meg men mig mir mis mog mon mop mor mos mug mun mus neg nim nip nog nom nor nos nus oes oms one ons ope ops ore ors ose our peg pen per pes pie pig pin pis piu poi pom pro psi pug pun pur pus reg rei rem rep res rig rim rin rip roe rom rue rug rum run seg sei sen ser sim sin sip sir som son sop sou sri sue sum sun sup ump uns upo ups urn urp use

egis egos emir emus engs eons epos ergo ergs erns eros euro gems gens genu germ geum gien gies gimp gins gips girn giro gnus goer goes gone gore gorm gorp grim grin grip grue grum gums guns impi imps inro ions ires iris iron megs meno menu meou mien migs mine mini mips mire miri mirs mise miso mogs mons mope mops more morn mors moue mugs muni muns muon mure muse negs neum nims nips nisi noes nogs noir nome noms nope nori norm nose nous ogre omen omer ones onus open opes opus ores ours pegs pein pens peon peri perm peso pier pies pigs pine ping pins pion pirn piso poem pois pome poms pone pong pons pore porn pose pour prig prim prog prom pros pugs pung puns pure puri purs regs rein reis rems repo reps rigs rime rims ring rins ripe rips rise roes romp roms rope rose roue roup rues rugs ruin rump rums rune rung runs ruse sego semi sign simp sine sing sipe sire smog smug snip snog snug some sone song sore sori sorn soup sour spin spue spun spur suer sumo sump sung supe sure umps upon urge urns urps user