UNSLIPPERY

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erns espy inly ires isle leis lens leys lien lier lies lieu line lins liny lipe lips lire lisp lues lune luny lure lyes lyre lyse nils nips nurl pein pens peps peri perp pier pies pile pily pine pins piny pipe pips pipy pirn plie plus prep prey pule puli pulp puls puns puny pups pure puri purl purs pyes pyin pyre rein reis rely repp reps riel rile rins ripe rips rise rues ruin rule ruly rune runs ruse ryes sine sipe sire slip slue slur snip snye spin spry spue spun spur suer supe sure syli syne urns urps user yelp yens yeps yins yipe yips yule yups