#include<iostream> #include<unordered_map> using namespace std; int main() { unordered_map<char, int> mp={{'a',2},{'b',2},{'c',2}, {'d',3},{'e',3},{'f',3}, {'g',4},{'h',4},{'i',4}, {'j',5},{'k',5},{'l',5}, {'m',6},{'n',6},{'o',6}, {'p',7},{'q',7},{'r',7},{'s',7}, {'t',8},{'u',8},{'...