12lt 22ltp 32ltpq 42lt 52ltp

qtmtp rtmtpq stmt ttmtp utmtpq

fkntpq gknt hkntp ikntpq jknt

4aot 5aotp 6aotpq 7aot 8aotp

t1otp u1otpq v1ot w1otp x1otpq