a-a a-b aaa aab aad aah aap aas ab- aba abb abd abh abp abs ad- ada adb add adh adp ads aha ahb ahd ahh ahp ahs ap- apa apb apd aph app aps as- asa asb asd ash asp ass b-p baa bab bad bah bap bas bba bbb bbd bbh bbp bbs bda bdb bdd bdh bdp bds bha bhb bhd bhh bhp bhs bpa bpb bpd bph bpp bps bsa bsb bsd bsh bsp bss daa dab dad dah dap das dba dbb dbd dbh dbp dbs dda ddb ddd ddh ddp dds dh- dha dhb dhd dhh dhp dhs dpa dpb dpd dph dpp dps dsa dsb dsd dsh dsp dss haa hab had hah hap has hba hbb hbd hbh hbp hbs hda hdb hdd hdh hdp hds hha hhb hhd hhh hhp hhs hpa hpb hpd hph hpp hps hsa hsb hsd hsh hsp hss p-p paa pab pad pah pap pas pba pbb pbd pbp pbs pda pdb pdd pdh pdp pds pha phb phd php phs ppa ppb ppd pph ppp pps ps- psa psb psd psh psp pss saa sab sad sah sap sas sba sbb sbd sbh sbp sbs sda sdb sdd sdh sdp sds sh- sha shb shd shh shp shs spa spb spd sph spp sps ss- ssa ssb ssd ssh ssp sss