a-a a-b aaa aab aah aam aao aap aas ab- aba abb abh abm abo abp abs aha ahb ahh ahm aho ahp ahs ama amb amh amm amo amp ams aoa aob aoh aom aoo aop aos ap- apa apb aph apm apo app aps as- asa asb ash asm aso asp ass b-p baa bab bah bam bao bap bas bba bbb bbh bbm bbo bbp bbs bha bhb bhh bhm bho bhp bhs bma bmb bmh bmm bmo bmp bms boa bob boh bom boo bop bos bpa bpb bph bpm bpo bpp bps bsa bsb bsh bsm bso bsp bss haa hab hah ham hao hap has hba hbb hbh hbm hbo hbp hbs hha hhb hhh hhm hho hhp hhs hma hmb hmh hmm hmo hmp hms hoa hob hoh hom hoo hop hos hpa hpb hph hpm hpo hpp hps hsa hsb hsh hsm hsp hss m-o maa mab mah mam mao map mas mba mbb mbh mbm mbo mbp mbs mha mhh mhm mho mhp mhs mma mmb mmh mmm mmo mmp mms moa mob moh mom moo mop mos mpa mpb mph mpm mpo mpp mps msa msb msh msm mso msp mss oaa oab oah oam oao oap oas ob- oba obb obh obm obo obp obs oha ohh ohm oho ohp ohs om- oma omb omh omm omo omp oms oo- ooa oob ooh oom ooo oop oos op- opa opb oph opm opo opp ops os- osa osb osh osm oso osp oss p-p paa pab pah pam pao pap pas pba pbb pbm pbo pbp pbs pha phb phm pho php phs pma pmb pmh pmm pmo pmp pms poa pob poh pom poo pop pos ppa ppb pph ppm ppo ppp pps ps- psa psb psh psm pso psp pss saa sab sah sam sao sap sas sba sbb sbh sbm sbo sbp sbs sh- sha shb shh shm sho shp shs sma smb smh smm smo smp sms soa sob soh som soo sop sos spa spb sph spm spo spp sps ss- ssa ssb ssh ssm sso ssp sss