-al a-a a-b a-t aaa aab aae aal aan aat aau ab- aba abb abe abl abn abt abu aea aeb aee ael aen aet aeu al- ala alb ale all aln alt alu an- ana anb ane anl ann ant anu at- ata atb ate atl atn att atu au- aua aub aue aul aun aut b-u baa bab bae bal ban bat bau bba bbb bbe bbl bbn bbt bbu be- bea beb bee bel ben bet beu bla blb ble bll bln blt blu bna bnb bne bnl bnn bnt bnu bta btb bte btl btn btt btu bua bub bue bul bun but buu eaa eab eae eal ean eat eau eba ebb ebe ebl ebn ebt ebu eea eeb eee eel een eet ela elb ele ell eln elt elu en- ena enb ene enl enn ent enu eta etb ete etl etn ett etu eu- eua eub eue eul eun eut la- laa lab lae lal lan lat lau lba lbb lbe lbl lbt lbu lea leb lee lel len let leu lla llb lle lll lln llt llu lna lnb lne lnl lnn lnt lnu lta ltb lte ltl ltt ltu lua lub lue lul lun lut luu naa nab nae nal nan nat nau nba nbb nbe nbl nbn nbt nbu ne- nea neb nee nel nen net neu nla nlb nle nll nln nlt nlu nna nnb nne nnl nnn nnt nnu nta ntb nte ntn ntt ntu nua nub nue nul nun nut nuu taa tab tae tal tan tat tau tba tbb tbe tbl tbn tbt tbu te- tea teb tee tel ten tet teu tla tle tll tln tlt tlu tna tnb tne tnl tnn tnt tta ttb tte ttl ttn ttt ttu tua tub tue tul tun tut tuu ua- uaa uab uae ual uan uat uau uba ubb ube ubl ubn ubt ubu uea ueb uee uel uen uet ula ulb ule ull uln ult ulu un- una unb une unl unn unt unu uta utb ute utl utn utt utu uua uue uun uut uuu