Belarusian orthography , however , differs significantly from Russian orthography in some respects , due to the fact that it is a phonetic orthography that closely represents the surface phonology , .
Russian orthography represents the underlying morphophonology .
Belarusian orthography , however , differs significantly from Russian orthography in some respects , due to the fact that it is a phonetic orthography that closely represents the surface phonology , whereas Russian orthography represents the underlying morphophonology .