p^42m or (+44:2.)
p^42c or (+4:42_0)
p^421m or (4n-2.)
p^421c or (4n-2:)
p^4m2 or (+44.2.)
p^4c2 or (+44:2:)
p^4y2 or (4n-2_0)
p^4n2 or (4n-2_0')
i^4m2 or (+4.42_1)
i^4c2 or (+4:42_1)
i^42m or (+44:2.)
i^42d or (4n-2_1)