You can read Surah Al Kafirun verse by verse in Rumi Language with Arabic.
بِسْمِ ٱللَّهِ ٱلرَّحْمَـٰنِ ٱلرَّحِيمِ
BISMILLAAHIR-RAHMAANIR-RAHIIM
1) QUL YAA AYYUHAL KAAFIRUUN
2) LAA A’BUDU MAA TA’BUDUUN
3) WA LAA ANTUM AABIDUUNA MAA A’BUD
4) WA LAA ANA AABIDUN MAA ABADTUM
5) WA LAA ANTUM ABIDUUNA MAA A’BUD
6) LAKUM DIINUKUM WA LIYADIIN