p4mm or (+4.4.2.) p4gm or (4_0+2.) p42cm or (+4.4:2:) p42nm or (4_2+2.) p4cc or (+4:4:2:) p4nc or (4_0+2:) p42mc or (+4:4.2.) p42gc or (4_2+2:) i4mm or (+4.4:2.) i4cm or (+4:4:2.) i41md or (4_1+2.) i41cd or (4_1+2:)