PRIMIPAROUS

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aims airs amir amis amps amus apos apps arms arum impi imps iris mair maps mars mips miri mirs miso moas mops mora mors mura murr oars opus orra osar ours pair pams paps parr pars pias pima pimp pips piso pois pomp poms pops pour pram prao prau prim proa prom prop pros puma pump pupa pups puri purr purs rais rami ramp rams raps rasp rias rims rips roam roar romp roms roup rump rums samp sari sima simp soap soar soma sora sori soup sour spam spar spur sumo sump sura umps upas urps ursa