prqn qrqn7 rrqn7s srqn trqn7
eirn7 firn7s girn hirn7 iirn7s
38rn7s 48rn 58rn7 68rn7s 78rn
szsn tzsn7 uzsn7s vzsn wzsn7
hqtn7 iqtn7s jqtn kqtn7 lqtn7s