S. initial [sm], [sn] became nasals [m], [n]; [sm-|sn-] > [m-|n-]

S. initial [sm], [sn] became nasals [m], [n]; [sm-|sn-] > [m-|n-]

Reference ✧ PE19/79

Phonetic Rule Elements

[sm-] > [m-] ✧ PE19/79 (sm > m; initially)
[sn-] > [n-] ✧ PE19/79 (sn > n; initially)