a-a a-c a-q aaa aac aad aaq aar ac- aca acc acd acq acr ad- ada adc add adq adr aqa aqc aqr ar- ara arc ard arq arr c-- caa cac cad caq car cca ccc ccd ccr cda cdc cdd cdq cdr cqa cqc cqd cra crc crd crq crr daa dac dad daq dar dca dcc dcd dcr dda ddc ddd ddq ddr dqa dra drc drd drq drr qaa qac qad qar qca qcc qcd qda qdr qqq qra qrc ra- raa rac rad raq rar rca rcc rcd rcr rda rdc rdd rdr rqc rra rrc rrd rrq rrr