a-a a-b a-c a-q aaa aab aac aad aae aaq ab- aba abb abc abd abe abq ac- aca acb acc acd ace acq ad- ada adb adc add ade adq aea aeb aec aed aee aeq aqa aqc baa bab bac bad bae baq bba bbb bbc bbd bbe bbq bca bcb bcc bcd bce bcq bda bdb bdc bdd bde bdq be- bea beb bec bed bee beq bqc bqd bqe c-- caa cab cac cad cae caq cba cbb cbc cbd cbe cbq cca ccb ccc ccd cce cda cdb cdc cdd cde cdq ce- cea ceb cec ced cee ceq cqa cqb cqc cqd daa dab dac dad dae daq dba dbb dbc dbd dbe dbq dca dcb dcc dcd dce dda ddb ddc ddd dde ddq de- dea deb dec ded dee deq dqa dqe eaa eab eac ead eae eba ebb ebc ebd ebe ebq ec- eca ecb ecc ecd ece ecq ed- eda edb edc edd ede eea eeb eec eed eee eqa eqe eqq qaa qac qad qba qbc qbd qbe qbq qca qcc qcd qda qdb qec qed qee qqq