Possible subsets {h,o,n,e,s,t,y} Answer: Formula : 2^n 2^7 =128 POSSIBLE SUBSETS OF {h,o,n,e,s,t,y} {{}, {e}, {h}, {n}, {o}, {s}, {t}, {y}, {e,s}, {e,t}, {e,y}, {h,e}, {h,n}, {h,o}, {h,s}, {h,t}, {h,y}, {n,e}, {n,s}, {n,t}, {n,y}, {o,e}, {o,n}, {o,s}, {o,t}, {o,y}, {s,t}, {s,y}, {t,y}, {e,s,t}, {e,s,y}, {e,t,y}, {h,e,s}, {h,e,t}, {h,e,y}, {h,n,e}, {h,n,s}, {h,n,t}, {h,n,y}, {h,o,e}, {h,o,n}, {h,o,s}, {h,o,t}, {h,o,y}, {h,s,t}, {h,s,y}, {h,t,y}, {n,e,s}, {n,e,t}, {n,e,y}, {n,s,t}, {n,s,y}, {n,t,y}, {o,e,s}, {o,e,t}, {o,e,y}, {o,n,e}, {o,n,s}, {o,n,t}, {o,n,y}, {o,s,t}, {o,s,y}, {o,t,y}, {s,t,y}, {e,s,t,y}, {h,e,s,t}, {h,e,s,y}, {h,e,t,y}, {h,n,e,s}, {h,n,e,t}, {h,n,e,y}, {h,n,s,t}, {h,n,s,y}, {h,n,t,y}, {h,o,e,s}, {h,o,e,t}, {h,o,e,y}, {h,o,n,e}, {h,o,n,s}, {h,o,n,t}, {h,o,n,y}, {h,o,s,t}, {h,o,s,y}, {h,o,t,y}, {h,s,t,y}, {n,e,s,t}, {n,e,s,y}, {n,e,t,y}, {n,s,t,y}, {o,e,s,t}, {o,e,s,y}, {o,e,t,y}, {o,n,e,s}, {o,n,e,t}, {o,n,e,y}, {o,n,s,t}, {o,n,s,y}, {o,n,t,y}, {o,s,t,y}, {h,e,