a-a a-i a-q aaa aai aao aap aaq aas ai- aia aii aio aip aiq ais aoa aoi aoo aop aos ap- apa api apo app apq aps aqa aqi aqo aqp aqs as- asa asi aso asp asq ass ia- iaa iai iao iap iaq ias iia iii iio iip iis io- ioa ioi ioo iop ios ipa ipi ipo ipp ips iqa iqs is- isa isi iso isp isq iss o-i oaa oai oao oap oaq oas oia oii oio oip ois oo- ooa ooi ooo oop oos op- opa opi opo opp opq ops oqo os- osa osi oso osp osq oss p-p paa pai pao pap paq pas pia pii pio pip piq pis poa poi poo pop pos ppa ppi ppo ppp ppq pps pqi pqq pqs ps- psa psi pso psp pss qaa qap qas qio qip qis qoi qoo qop qos qpp qps qqq qsa qsi qso qsp saa sai sao sap saq sas sia sii sio sip siq sis soa soi soo sop soq sos spa spi spo spp spq sps sqa sqi sqq sqs ss- ssa ssi sso ssp ssq sss