M*J - major
M*K - lovemaking
M*L = bumblebee
M*M - mummy
M*N - acumen
M*O - Mooooooooooo! (or moon)
M*P = homophone
M*Q - Miquelet (as in lock)
M*R - murderous
MS/MT = mismatched
M*U - mourn
M*V = removal
M*W - mow
M*X = admixture
M*Y - mayflower
M*Z - amaze
NA, NB = cinnabar
N*C = anachronism
N*D - nodule
N*E - chance