a-a a-b aaa aab aad aah aap aar aas ab- aba abb abd abh abp abr abs ad- ada adb add adh adp adr ads aha ahb ahd ahh ahp ahr ahs ap- apa apb apd aph app apr aps ar- ara arb ard arh arp arr ars as- asa asb asd ash asp asr ass b-p baa bab bad bah bap bar bas bba bbb bbd bbh bbp bbr bbs bda bdb bdd bdh bdp bdr bds bha bhb bhd bhh bhp bhr bhs bpa bpb bpd bph bpp bpr bps bra brb brd brh brp brr brs bsa bsb bsd bsh bsp bsr bss daa dab dad dah dap dar das dba dbb dbd dbh dbp dbr dbs dda ddb ddd ddh ddp ddr dds dh- dha dhb dhd dhh dhp dhr dhs dpa dpb dpd dph dpp dpr dps dra drb drd drp drr drs dsa dsb dsd dsh dsp dsr dss haa hab had hah hap har has hba hbb hbd hbh hbp hbr hbs hda hdb hdd hdh hdp hdr hds hha hhb hhd hhh hhp hhr hhs hpa hpb hpd hph hpp hpr hps hr- hra hrb hrd hrh hrp hrr hrs hsa hsb hsd hsh hsp hsr hss p-p paa pab pad pah pap par pas pba pbb pbd pbp pbr pbs pda pdb pdd pdh pdp pdr pds pha phb phd php phr phs ppa ppb ppd pph ppp ppr pps pra prb prd prh prp prr prs ps- psa psb psd psh psp psr pss ra- raa rab rad rah rap rar ras rba rbb rbd rbh rbp rbr rbs rda rdb rdd rdh rdp rdr rds rh- rha rhb rhd rhh rhp rhr rhs rpa rpb rpd rph rpp rpr rps rra rrb rrd rrh rrp rrr rrs rsa rsb rsd rsh rsp rsr rss saa sab sad sah sap sar sas sba sbb sbd sbh sbp sbr sbs sda sdb sdd sdh sdp sdr sds sh- sha shb shd shh shp shr shs spa spb spd sph spp spr sps sr- sra srb srd srh srp srr srs ss- ssa ssb ssd ssh ssp ssr sss