yip

yip
    n 1: a sharp high-pitched cry (especially by a dog) [syn: {yip},
         {yelp}, {yelping}]
    v 1: bark in a high-pitched tone; "the puppies yelped" [syn:
         {yelp}, {yip}, {yap}]
    

43 Moby Thesaurus words for "yip":
      bark, bawl, bay, bell, bellow, blare, blat, blate, bleat, bray,
      call, caterwaul, cry, give tongue, give voice, howl, low, meow,
      mew, mewl, miaow, moo, neigh, nicker, pule, roar, screak, scream,
      screech, squall, squeak, squeal, troat, ululate, wail, whicker,
      whine, whinny, yap, yawl, yawp, yelp, yowl