*WAL
WA*KER
WA*EER
W*EER
W*ERR
WA*ERR
WA*KRR
WA*RRR
WL*KER
W*KRR
WW*KER
W*RRR
WA*KKR
WA*LKR
WL*EER
WL*ERR
WL*RRR
WW*EER
WW*ERR
W*KKR