a-a a-b a-i aaa aab aah aai aan ab- aba abb abh abi abn aha ahb ahh ahi ahn ai- aia aib aih aii ain an- ana anb anh ani ann baa bab bah bai ban bba bbb bbh bbi bbn bha bhb bhh bhi bi- bia bib bih bii bin bna bnb bni bnn h-i haa hab hah hai han hba hbb hbh hbi hbn hha hhb hhh hhi hhn hia hib hih hii hin hna hnb hnh hnn ia- iaa iab iah iai ian iba ibb ibh ibi ibn iha ihb ihh ihi ihn iia iib iih iii iin in- ina inb inh ini inn n-i naa nab nah nai nan nba nbb nbi nbn nha nhb nhh nhi nhn nia nib nih nii nin nna nnb nnh nni nnn