-al a-a a-b a-i aaa aab aae aag aai aal aan ab- aba abb abe abg abi abl abn aea aeb aee aeg aei ael aen ag- aga agb age agg agi agl agn ai- aia aib aie aig aii ail ain al- ala alb ale alg ali all aln an- ana anb ane ang ani anl ann baa bab bae bag bai bal ban bba bbb bbe bbg bbi bbl bbn be- bea beb bee beg bei bel ben bga bgb bge bgg bgi bgl bgn bi- bia bib bie big bii bil bin bla blb ble blg bli bll bln bna bnb bne bng bni bnl bnn eaa eab eae eag eai eal ean eba ebb ebe ebg ebi ebl ebn eea eeb eee eeg eel een ega egb ege egg egi egl egn eia eib eie eig eii eil ein ela elb ele elg eli ell eln en- ena enb ene eng eni enl enn gaa gab gae gag gai gal gan gba gbe gbg gbi gbl gbn ge- gea geb gee geg gei gel gen gga ggb ggg ggi ggn gia gib gie gig gii gil gin gla glb gle glg gli gll gln gna gnb gne gni gnl gnn ia- iaa iab iae iag iai ial ian iba ibb ibe ibg ibi ibl ibn ie- iea iee ieg iei iel ien iga igb ige igg igi igl ign iia iib iie iii iil iin il- ila ilb ile ilg ili ill iln in- ina inb ine ing ini inl inn la- laa lab lae lag lai lal lan lba lbb lbe lbg lbi lbl lea leb lee leg lei lel len lga lgb lge lgg lgi lgl lgn lia lib lie lig lii lil lin lla llb lle llg lli lll lln lna lnb lne lng lni lnl lnn n-i naa nab nae nag nai nal nan nba nbb nbe nbg nbi nbl nbn ne- nea neb nee neg nei nel nen nga ngb nge ngg ngi ngl ngn nia nib nie nig nii nil nin nla nlb nle nlg nli nll nln nna nnb nne nng nni nnl nnn