-al a-a a-b a-i aaa aab aae aaf aai aal aam aan ab- aba abb abe abf abi abl abm abn aea aeb aee aef aei ael aem aen af- afa afb afe aff afi afl afm afn ai- aia aib aie aif aii ail aim ain al- ala alb ale alf ali all alm aln ama amb ame amf ami aml amm amn an- ana anb ane anf ani anl anm ann baa bab bae baf bai bal bam ban bba bbb bbe bbf bbi bbl bbm bbn be- bea beb bee bef bei bel bem ben bfa bfb bfe bff bfi bfl bfm bfn bi- bia bib bie bif bii bil bim bin bla blb ble blf bli bll blm bln bma bmb bme bmf bmi bml bmm bmn bna bnb bne bnf bni bnl bnn eaa eab eae eaf eai eal eam ean eba ebb ebe ebf ebi ebl ebm ebn eea eeb eee eef eel eem een ef- efa efb efe eff efi efl efm eia eib eie eif eii eil eim ein ela elb ele elf eli ell elm eln em- ema emb eme emf emi eml emm emn en- ena enb ene enf eni enl enm enn faa fab fae faf fai fal fam fan fba fbb fbe fbf fbi fbl fbm fbn fea feb fee fef fei fel fem fen ffa ffe fff ffi ffl ffm ffn fia fib fie fif fii fil fim fin fla flb fle flf fli fll flm fln fma fmb fme fmf fmi fml fmm fmn fna fnb fne fnf fni fnl fnm fnn i-f ia- iaa iab iae iaf iai ial iam ian iba ibb ibe ibf ibi ibl ibm ibn ie- iea iee ief iei iel iem ien ifa ifb ife iff ifi ifl ifm ifn iia iib iie iif iii iil iim iin il- ila ilb ile ilf ili ill ilm iln im- ima imb ime imf imi iml imm imn in- ina inb ine inf ini inl inm inn la- laa lab lae laf lai lal lam lan lba lbb lbe lbf lbi lbl lbm lea leb lee lef lei lel lem len lfa lfb lfe lff lfi lfl lfm lfn lia lib lie lif lii lil lim lin lla llb lle llf lli lll llm lln lma lmb lme lmf lmi lml lmm lmn lna lnb lne lni lnl lnm lnn m-f maa mab mae maf mai mal mam man mba mbb mbe mbf mbi mbl mbm mea meb mee mef mei mel mem men mfa mfb mfe mff mfi mfl mfm mfn mi- mia mib mie mif mii mil mim min mla mlb mle mlf mli mll mlm mln mma mmb mme mmf mmi mml mmm mmn mna mnb mne mnf mni mnl mnm mnn n-i naa nab nae naf nai nal nam nan nba nbb nbe nbf nbi nbl nbm nbn ne- nea neb nee nef nei nel nem nen nfa nfb nfe nff nfi nfl nfn nia nib nie nif nii nil nim nin nla nlb nle nlf nli nll nlm nln nma nmb nme nmi nml nmm nmn nna nnb nne nnf nni nnl nnm nnn