-al a-a a-b a-t aaa aab aae aak aal aan aat aau ab- aba abb abe abk abl abn abt abu aea aeb aee aek ael aen aet aeu aka akb ake akk akl akn aku al- ala alb ale alk all aln alt alu an- ana anb ane ank anl ann ant anu at- ata atb ate atl atn att atu au- aua aub aue auk aul aun aut b-u baa bab bae bak bal ban bat bau bba bbb bbe bbk bbl bbn bbt bbu be- bea beb bee bek bel ben bet beu bka bkb bke bkk bkl bkn bkt bla blb ble blk bll bln blt blu bna bnb bne bnk bnl bnn bnt bnu bta btb bte btk btl btn btt btu bua bub bue buk bul bun but buu eaa eab eae eak eal ean eat eau eba ebb ebe ebk ebl ebn ebt ebu eea eeb eee eek eel een eet eka ekb eke ekl ekt eku ela elb ele elk ell eln elt elu en- ena enb ene enk enl enn ent enu eta etb ete etk etl etn ett etu eu- eua eub eue eul eun eut k-t ka- kaa kab kae kak kal kan kat kau kba kbb kbe kbk kbl kbn kbu ke- kea keb kee kek kel ken ket kkb kke kkk kkl kkn kkt kku kl- kla klb klt klu kn- kna kne knk knl knn knt knu kta ktb kte ktk ktl ktn ktt ktu kub kue kuk kul kun kut kuu la- laa lab lae lak lal lan lat lau lba lbb lbe lbk lbl lbt lbu lea leb lee lek lel len let leu lka lkb lkl lkt lla llb lle llk lll lln llt llu lna lnb lne lnk lnl lnn lnt lnu lta ltb lte ltk ltl ltt ltu lua lub lue luk lul lun lut luu naa nab nae nak nal nan nat nau nba nbb nbe nbk nbl nbn nbt nbu ne- nea neb nee nek nel nen net neu nka nke nkk nkn nkt nku nla nlb nle nlk nll nln nlt nlu nna nnb nne nnk nnl nnn nnt nnu nta ntb nte ntk ntn ntt ntu nua nub nue nuk nul nun nut nuu taa tab tae tak tal tan tat tau tba tbb tbe tbk tbl tbn tbt tbu te- tea teb tee tek tel ten tet teu tka tkb tke tkk tkl tkt tla tle tlk tll tln tlt tlu tna tnb tne tnk tnl tnn tnt tta ttb tte ttk ttl ttn ttt ttu tua tub tue tuk tul tun tut tuu ua- uaa uab uae uak ual uan uat uau uba ubb ube ubk ubl ubn ubt ubu uea ueb uee uel uen uet uka ukb uke ukk ukl ukn uku ula ulb ule ulk ull uln ult ulu un- una unb une unk unl unn unt unu uta utb ute utk utl utn utt utu uua uue uun uut uuu