-al a-a a-b a-i a-t aaa aab aae aai aal aan aat ab- aba abb abe abi abl abn abt aea aeb aee aei ael aen aet ai- aia aib aie aii ail ain ait al- ala alb ale ali all aln alt an- ana anb ane ani anl ann ant at- ata atb ate ati atl atn att baa bab bae bai bal ban bat bba bbb bbe bbi bbl bbn bbt be- bea beb bee bei bel ben bet bi- bia bib bie bii bil bin bit bla blb ble bli bll bln blt bna bnb bne bni bnl bnn bnt bta btb bte bti btl btn btt eaa eab eae eai eal ean eat eba ebb ebe ebi ebl ebn ebt eea eeb eee eel een eet eia eib eie eii eil ein eit ela elb ele eli ell eln elt en- ena enb ene eni enl enn ent eta etb ete eti etl etn ett ia- iaa iab iae iai ial ian iat iba ibb ibe ibi ibl ibn ibt ie- iea iee iei iel ien iet iia iib iie iii iil iin iit il- ila ilb ile ili ill iln ilt in- ina inb ine ini inl inn int ita itb ite iti itl itn itt la- laa lab lae lai lal lan lat lba lbb lbe lbi lbl lbt lea leb lee lei lel len let lia lib lie lii lil lin lit lla llb lle lli lll lln llt lna lnb lne lni lnl lnn lnt lta ltb lte lti ltl ltt n-i naa nab nae nai nal nan nat nba nbb nbe nbi nbl nbn nbt ne- nea neb nee nei nel nen net nia nib nie nii nil nin nit nla nlb nle nli nll nln nlt nna nnb nne nni nnl nnn nnt nta ntb nte nti ntn ntt taa tab tae tai tal tan tat tba tbb tbe tbi tbl tbn tbt te- tea teb tee tei tel ten tet tia tib tie tii til tin tit tla tle tli tll tln tlt tna tnb tne tni tnl tnn tnt tta ttb tte tti ttl ttn ttt