a-a a-b a-i aaa aab aae aah aai aam aan ab- aba abb abe abh abi abm abn aea aeb aee aeh aei aem aen aha ahb ahe ahh ahi ahm ahn ai- aia aib aie aih aii aim ain ama amb ame amh ami amm amn an- ana anb ane anh ani anm ann baa bab bae bah bai bam ban bba bbb bbe bbh bbi bbm bbn be- bea beb bee beh bei bem ben bha bhb bhe bhh bhi bhm bi- bia bib bie bih bii bim bin bma bmb bme bmh bmi bmm bmn bna bnb bne bni bnn eaa eab eae eah eai eam ean eba ebb ebe ebh ebi ebm ebn eea eeb eee eem een eha ehb ehe ehh ehi ehm ehn eia eib eie eii eim ein em- ema emb eme emh emi emm emn en- ena enb ene enh eni enm enn h-i haa hab hae hah hai ham han hba hbb hbe hbh hbi hbm hbn he- hea heb hee heh hei hem hen hha hhb hhe hhh hhi hhm hhn hia hib hie hih hii him hin hma hmb hme hmh hmi hmm hna hnb hne hnh hnn ia- iaa iab iae iah iai iam ian iba ibb ibe ibh ibi ibm ibn ie- iea iee iei iem ien iha ihb ihe ihh ihi ihm ihn iia iib iie iih iii iim iin im- ima imb ime imh imi imm imn in- ina inb ine inh ini inm inn maa mab mae mah mai mam man mba mbb mbe mbh mbi mbm mea meb mee meh mei mem men mha mhh mhi mhm mhn mi- mia mib mie mih mii mim min mma mmb mme mmh mmi mmm mmn mna mnb mne mni mnm mnn n-i naa nab nae nah nai nam nan nba nbb nbe nbi nbm nbn ne- nea neb nee neh nei nem nen nha nhb nhe nhh nhi nhm nhn nia nib nie nih nii nim nin nma nmb nme nmh nmi nmm nmn nna nnb nne nnh nni nnm nnn