a-a a-b a-i aaa aab aad aah aai aap ab- aba abb abd abh abi abp ad- ada adb add adh adi adp aha ahb ahd ahh ahi ahp ai- aia aib aid aih aii aip ap- apa apb apd aph api app b-p baa bab bad bah bai bap bba bbb bbd bbh bbi bbp bda bdb bdd bdh bdi bdp bha bhb bhd bhh bhi bhp bi- bia bib bid bih bii bip bpa bpb bpd bph bpi bpp daa dab dad dah dai dap dba dbb dbd dbh dbi dbp dda ddb ddd ddh ddi ddp dh- dha dhb dhd dhh dhi dhp di- dia dib did dih dii dip dpa dpb dpd dph dpi dpp h-i haa hab had hah hai hap hba hbb hbd hbh hbi hbp hda hdb hdd hdh hdi hdp hha hhb hhd hhh hhi hhp hia hib hid hih hii hip hpa hpb hpd hph hpi hpp i-d ia- iaa iab iad iah iai iap iba ibb ibd ibh ibi ibp ida idb idd idh idi idp iha ihb ihd ihh ihi ihp iia iib iid iih iii iip ipa ipb ipd ipi ipp p-p paa pab pad pah pai pap pba pbb pbd pbi pbp pda pdb pdd pdh pdi pdp pha phb phd phi php pia pib pid pih pii pip ppa ppb ppd pph ppi ppp