a-a a-b a-i aaa aab aah aai aak ab- aba abb abh abi abk aha ahb ahh ahi ahk ai- aia aib aih aii aik aka akb akh aki akk baa bab bah bai bak bba bbb bbh bbi bbk bha bhb bhh bhi bhk bi- bia bib bih bii bik bka bkb bkk h-i haa hab hah hai hak hba hbb hbh hbi hbk hha hhb hhh hhi hhk hia hib hih hii hik hka hkb hkh hki hkk ia- iaa iab iah iai iba ibb ibh ibi ibk iha ihb ihh ihi ihk iia iib iih iii ika ikb iki ikk ka- kaa kab kah kai kak kba kbb kbh kbi kbk kha khh khi khk kia kib kih kii kik kkb kkh kki kkk