Compounds of しゃ

• ぴしゃっぴしゃっ
  (adv) (1) slap (sound of a flat object continuously striking something)
  (2) splash
• 行ってらっしゃい
  (int) (uk) have a good day
  take care
  see you
  (P)
• 余裕しゃくしゃく
  (adj-na,adj-no,adj-t,adv-to) calm and composed
  broadminded
  having enough and to spare
• いらっしゃってください
  (exp) (pol) please come (and visit us)
  please come (to our shop)