ccbpqs
dcbp
ecbpq
fcbpqs
gcbp
12bp
22bpq
32bpqs
42bp
52bpq
qtcpq
rtcpqs
stcp
ttcpq
utcpqs
fkdpqs
gkdp
hkdpq
ikdpqs
jkdp
4aep
5aepq
6aepqs
7aep
8aepq