These questions are based on code language which utilizes letters In the English alphabet. In each question, there is a word written in capital letter, with one letter underlined. For each letter in that word there is a code written in small letters. Please note that the same letter appearing in other word(s) may be coded differently
S H I`underlineR` T
1) su
2) hj
3) gi
4) qs
5) rt

Explanation

4