a-a a-b a-i aaa aab aah aai aap aas ab- aba abb abh abi abp abs aha ahb ahh ahi ahp ahs ai- aia aib aih aii aip ais ap- apa apb aph api app aps as- asa asb ash asi asp ass b-p baa bab bah bai bap bas bba bbb bbh bbi bbp bbs bha bhb bhh bhi bhp bhs bi- bia bib bih bii bip bis bpa bpb bph bpi bpp bps bsa bsb bsh bsi bsp bss h-i haa hab hah hai hap has hba hbb hbh hbi hbp hbs hha hhb hhh hhi hhp hhs hia hib hih hii hip his hpa hpb hph hpi hpp hps hsa hsb hsh hsi hsp hss ia- iaa iab iah iai iap ias iba ibb ibh ibi ibp ibs iha ihb ihh ihi ihp ihs iia iib iih iii iip iis ipa ipb ipi ipp ips is- isa isb ish isi isp iss p-p paa pab pah pai pap pas pba pbb pbi pbp pbs pha phb phi php phs pia pib pih pii pip pis ppa ppb pph ppi ppp pps ps- psa psb psh psi psp pss saa sab sah sai sap sas sba sbb sbh sbi sbp sbs sh- sha shb shh shi shp shs sia sib sih sii sip sis spa spb sph spi spp sps ss- ssa ssb ssh ssi ssp sss