-al a-a a-b a-i aaa aab aae aag aai aal aam aan ab- aba abb abe abg abi abl abm abn aea aeb aee aeg aei ael aem aen ag- aga agb age agg agi agl agm agn ai- aia aib aie aig aii ail aim ain al- ala alb ale alg ali all alm aln ama amb ame amg ami aml amm amn an- ana anb ane ang ani anl anm ann baa bab bae bag bai bal bam ban bba bbb bbe bbg bbi bbl bbm bbn be- bea beb bee beg bei bel bem ben bga bgb bge bgg bgi bgl bgm bgn bi- bia bib bie big bii bil bim bin bla blb ble blg bli bll blm bln bma bmb bme bmg bmi bml bmm bmn bna bnb bne bng bni bnl bnn eaa eab eae eag eai eal eam ean eba ebb ebe ebg ebi ebl ebm ebn eea eeb eee eeg eel eem een ega egb ege egg egi egl egm egn eia eib eie eig eii eil eim ein ela elb ele elg eli ell elm eln em- ema emb eme emg emi eml emm emn en- ena enb ene eng eni enl enm enn gaa gab gae gag gai gal gam gan gba gbe gbg gbi gbl gbm gbn ge- gea geb gee geg gei gel gem gen gga ggb ggg ggi ggm ggn gia gib gie gig gii gil gim gin gla glb gle glg gli gll glm gln gma gmb gme gmg gmi gml gmm gmn gna gnb gne gni gnl gnm gnn ia- iaa iab iae iag iai ial iam ian iba ibb ibe ibg ibi ibl ibm ibn ie- iea iee ieg iei iel iem ien iga igb ige igg igi igl igm ign iia iib iie iii iil iim iin il- ila ilb ile ilg ili ill ilm iln im- ima imb ime img imi iml imm imn in- ina inb ine ing ini inl inm inn la- laa lab lae lag lai lal lam lan lba lbb lbe lbg lbi lbl lbm lea leb lee leg lei lel lem len lga lgb lge lgg lgi lgl lgm lgn lia lib lie lig lii lil lim lin lla llb lle llg lli lll llm lln lma lmb lme lmg lmi lml lmm lmn lna lnb lne lng lni lnl lnm lnn maa mab mae mag mai mal mam man mba mbb mbe mbg mbi mbl mbm mea meb mee meg mei mel mem men mga mgb mge mgi mgl mgm mgn mi- mia mib mie mig mii mil mim min mla mlb mle mlg mli mll mlm mln mma mmb mme mmg mmi mml mmm mmn mna mnb mne mng mni mnl mnm mnn n-i naa nab nae nag nai nal nam nan nba nbb nbe nbg nbi nbl nbm nbn ne- nea neb nee neg nei nel nem nen nga ngb nge ngg ngi ngl ngm ngn nia nib nie nig nii nil nim nin nla nlb nle nlg nli nll nlm nln nma nmb nme nmg nmi nml nmm nmn nna nnb nne nng nni nnl nnm nnn