a-a a-b aaa aab aah aam aao aap aar aas ab- aba abb abh abm abo abp abr abs aha ahb ahh ahm aho ahp ahr ahs ama amb amh amm amo amp amr ams aoa aob aoh aom aoo aop aor aos ap- apa apb aph apm apo app apr aps ar- ara arb arh arm aro arp arr ars as- asa asb ash asm aso asp asr ass b-p baa bab bah bam bao bap bar bas bba bbb bbh bbm bbo bbp bbr bbs bha bhb bhh bhm bho bhp bhr bhs bma bmb bmh bmm bmo bmp bmr bms boa bob boh bom boo bop bor bos bpa bpb bph bpm bpo bpp bpr bps bra brb brh brm bro brp brr brs bsa bsb bsh bsm bso bsp bsr bss haa hab hah ham hao hap har has hba hbb hbh hbm hbo hbp hbr hbs hha hhb hhh hhm hho hhp hhr hhs hma hmb hmh hmm hmo hmp hmr hms hoa hob hoh hom hoo hop hor hos hpa hpb hph hpm hpo hpp hpr hps hr- hra hrb hrh hrm hro hrp hrr hrs hsa hsb hsh hsm hsp hsr hss m-o m-r maa mab mah mam mao map mar mas mba mbb mbh mbm mbo mbp mbr mbs mha mhh mhm mho mhp mhr mhs mma mmb mmh mmm mmo mmp mmr mms moa mob moh mom moo mop mor mos mpa mpb mph mpm mpo mpp mpr mps mra mrb mrh mrm mro mrp mrr mrs msa msb msh msm mso msp msr mss oaa oab oah oam oao oap oar oas ob- oba obb obh obm obo obp obr obs oha ohh ohm oho ohp ohr ohs om- oma omb omh omm omo omp omr oms oo- ooa oob ooh oom ooo oop oor oos op- opa opb oph opm opo opp opr ops or- ora orb orh orm oro orp orr ors os- osa osb osh osm oso osp osr oss p-p paa pab pah pam pao pap par pas pba pbb pbm pbo pbp pbr pbs pha phb phm pho php phr phs pma pmb pmh pmm pmo pmp pmr pms poa pob poh pom poo pop por pos ppa ppb pph ppm ppo ppp ppr pps pra prb prh prm pro prp prr prs ps- psa psb psh psm pso psp psr pss ra- raa rab rah ram rao rap rar ras rba rbb rbh rbm rbo rbp rbr rbs rh- rha rhb rhh rhm rho rhp rhr rhs rma rmb rmh rmm rmo rmp rmr rms roa rob roh rom roo rop ror ros rpa rpb rph rpm rpo rpp rpr rps rra rrb rrh rrm rrp rrr rrs rsa rsb rsh rsm rso rsp rsr rss saa sab sah sam sao sap sar sas sba sbb sbh sbm sbo sbp sbr sbs sh- sha shb shh shm sho shp shr shs sma smb smh smm smo smp smr sms soa sob soh som soo sop sor sos spa spb sph spm spo spp spr sps sr- sra srb srh srm sro srp srr srs ss- ssa ssb ssh ssm sso ssp ssr sss