“UNMIXING” is a valid word. — 18 points Scrabble

guna weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
mixa commercially prepared mixture of dry ingredients
inna hotel providing overnight lodging for travelers
guma preparation (usually made of sweetened chicle) for chewing
ginstrong liquor flavored with juniper berries
mugthe quantity that can be held in a mug
nuna woman religious
nimgame in which matchsticks are arranged in rows and players alternately remove one or more of them; in some versions the object is to take the last remaining matchstick on the table and in other versions the object is to avoid taking the last remaining matchstick on the table
mun
nixa quantity of no importance
mig
gnularge African antelope having a head with horns like an ox and a long tufted tail

ina unit of length equal to one twelfth of a foot
um
midestruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
unan organization of independent states formed in 1945 to promote international peace and security
muthe 12th letter of the Greek alphabet
xithe cardinal number that is the sum of ten and one
xu
nuthe 13th letter of the Greek alphabet

UNMIXING