a-a a-b a-i aaa aab aad aai aam aan ab- aba abb abd abi abm abn ad- ada adb add adi adm adn ai- aia aib aid aii aim ain ama amb amd ami amm amn an- ana anb and ani anm ann baa bab bad bai bam ban bba bbb bbd bbi bbm bbn bda bdb bdd bdi bdm bi- bia bib bid bii bim bin bma bmb bmd bmi bmm bmn bna bnb bnd bni bnn daa dab dad dai dam dan dba dbb dbd dbi dbm dbn dda ddb ddd ddi ddm ddn di- dia dib did dii dim din dma dmb dmd dmi dmm dmn dna dnb dnd dni dnm dnn i-d ia- iaa iab iad iai iam ian iba ibb ibd ibi ibm ibn ida idb idd idi idm idn iia iib iid iii iim iin im- ima imb imd imi imm imn in- ina inb ind ini inm inn maa mab mad mai mam man mba mbb mbd mbi mbm mda mdb mdd mdi mdm mdn mi- mia mib mid mii mim min mma mmb mmd mmi mmm mmn mna mnb mni mnm mnn n-i naa nab nad nai nam nan nba nbb nbd nbi nbm nbn nda ndb ndd ndi ndm ndn nia nib nid nii nim nin nma nmb nmd nmi nmm nmn nna nnb nni nnm nnn