• nountain blue berry,
• kountain blue berry,
• jountain blue berry,
• miuntain blue berry,
• mkuntain blue berry,
• mluntain blue berry,
• mpuntain blue berry,
• m0untain blue berry,
• m9untain blue berry,
• moyntain blue berry,
• mohntain blue berry,
• mojntain blue berry,
• mointain blue berry,
• mo8ntain blue berry,
• mo7ntain blue berry,
• moubtain blue berry,
• moumtain blue berry,
• moujtain blue berry,
• mouhtain blue berry,
• mounrain blue berry

The adjective form of the word "mountain blueberry" is "mountain blueberry". The word "mountain" functions as an adjective here to describe the blueberry, indicating that it is associated with or found in mountains.