a-a a-b a-i aaa aab aai aak aam aan ab- aba abb abi abk abm abn ai- aia aib aii aik aim ain aka akb aki akk akm akn ama amb ami amk amm amn an- ana anb ani ank anm ann baa bab bai bak bam ban bba bbb bbi bbk bbm bbn bi- bia bib bii bik bim bin bka bkb bkk bkm bkn bma bmb bmi bmk bmm bmn bna bnb bni bnk bnn ia- iaa iab iai iam ian iba ibb ibi ibk ibm ibn iia iib iii iim iin ika ikb iki ikk im- ima imb imi imm imn in- ina inb ini ink inm inn ka- kaa kab kai kak kam kan kba kbb kbi kbk kbm kbn kia kib kii kik kim kin kkb kki kkk kkm kkn kma kmb kmi kmk kmm kn- kna kni knk knm knn maa mab mai mak mam man mba mbb mbi mbk mbm mi- mia mib mii mik mim min mka mkb mkk mkm mkn mma mmb mmi mmk mmm mmn mna mnb mni mnk mnm mnn n-i naa nab nai nak nam nan nba nbb nbi nbk nbm nbn nia nib nii nik nim nin nka nki nkk nkm nkn nma nmb nmi nmk nmm nmn nna nnb nni nnk nnm nnn