SUPERINFER

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enuf erne erns errs esne fees fens fere fern feus fine fins fire firn firs free funs furs fuse ires neep neif nips peen peer pees pein pens pere peri pfui pier pies pine pins pirn pree puns pure puri purr purs reef rees refs reif rein reis reps rife rifs rins ripe rips rise ruer rues ruin rune runs ruse seen seep seer seif sene sere serf sine sipe sire snip spin spue spun spur suer supe sure surf urns urps user