a-a a-q aaa aao aap aaq aas aoa aoo aop aos ap- apa apo app apq aps aqa aqo aqp aqs as- asa aso asp asq ass oaa oao oap oaq oas oo- ooa ooo oop oos op- opa opo opp opq ops oqo os- osa oso osp osq oss p-p paa pao pap paq pas poa poo pop pos ppa ppo ppp ppq pps pqq pqs ps- psa pso psp pss qaa qap qas qoo qop qos qpp qps qqq qsa qso qsp saa sao sap saq sas soa soo sop soq sos spa spo spp spq sps sqa sqq sqs ss- ssa sso ssp ssq sss