MOS's in 19-ET

If you take 4 4 4 4 3 MOS in 19-tET and apply M1, M2, M3, M4, M5, M7, M8 or M9 (up to half an octave at 9.5 steps) you always get another
MOS except for two of them, which are still very close to being MOSes.

PGH