e3q4n f3q4n2 g3q4 h3q4n i3q4n2
3tr4n2 4tr4 5tr4n 6tr4n2 7tr4
sks4 tks4n uks4n2 vks4 wks4n
hbt4n ibt4n2 jbt4 kbt4n lbt4n2
61t4n2 71t4 81t4n 91t4n2 a2t4