-al a-a a-b a-i aaa aab aaf aai aal aam aan ab- aba abb abf abi abl abm abn af- afa afb aff afi afl afm afn ai- aia aib aif aii ail aim ain al- ala alb alf ali all alm aln ama amb amf ami aml amm amn an- ana anb anf ani anl anm ann baa bab baf bai bal bam ban bba bbb bbf bbi bbl bbm bbn bfa bfb bff bfi bfl bfm bfn bi- bia bib bif bii bil bim bin bla blb blf bli bll blm bln bma bmb bmf bmi bml bmm bmn bna bnb bnf bni bnl bnn faa fab faf fai fal fam fan fba fbb fbf fbi fbl fbm fbn ffa fff ffi ffl ffm ffn fia fib fif fii fil fim fin fla flb flf fli fll flm fln fma fmb fmf fmi fml fmm fmn fna fnb fnf fni fnl fnm fnn i-f ia- iaa iab iaf iai ial iam ian iba ibb ibf ibi ibl ibm ibn ifa ifb iff ifi ifl ifm ifn iia iib iif iii iil iim iin il- ila ilb ilf ili ill ilm iln im- ima imb imf imi iml imm imn in- ina inb inf ini inl inm inn la- laa lab laf lai lal lam lan lba lbb lbf lbi lbl lbm lfa lfb lff lfi lfl lfm lfn lia lib lif lii lil lim lin lla llb llf lli lll llm lln lma lmb lmf lmi lml lmm lmn lna lnb lni lnl lnm lnn m-f maa mab maf mai mal mam man mba mbb mbf mbi mbl mbm mfa mfb mff mfi mfl mfm mfn mi- mia mib mif mii mil mim min mla mlb mlf mli mll mlm mln mma mmb mmf mmi mml mmm mmn mna mnb mnf mni mnl mnm mnn n-i naa nab naf nai nal nam nan nba nbb nbf nbi nbl nbm nbn nfa nfb nff nfi nfl nfn nia nib nif nii nil nim nin nla nlb nlf nli nll nlm nln nma nmb nmi nml nmm nmn nna nnb nnf nni nnl nnm nnn