-al -ol a-a a-b a-t aaa aab aae aal aan aao aat aau ab- aba abb abe abl abn abo abt abu aea aeb aee ael aen aeo aet aeu al- ala alb ale all aln alo alt alu an- ana anb ane anl ann ano ant anu aoa aob aoe aol aon aoo aot aou at- ata atb ate atl atn ato att atu au- aua aub aue aul aun auo aut b-u baa bab bae bal ban bao bat bau bba bbb bbe bbl bbn bbo bbt bbu be- bea beb bee bel ben beo bet beu bla blb ble bll bln blo blt blu bna bnb bne bnl bnn bno bnt bnu boa bob boe bol bon boo bot bou bta btb bte btl btn bto btt btu bua bub bue bul bun buo but buu eaa eab eae eal ean eao eat eau eba ebb ebe ebl ebn ebo ebt ebu eea eeb eee eel een eeo eet ela elb ele ell eln elo elt elu en- ena enb ene enl enn eno ent enu eo- eoa eob eoe eol eon eoo eot eou eta etb ete etl etn eto ett etu eu- eua eub eue eul eun eut la- laa lab lae lal lan lao lat lau lba lbb lbe lbl lbo lbt lbu lea leb lee lel len leo let leu lla llb lle lll lln llo llt llu lna lnb lne lnl lnn lno lnt lnu loa lob loe lol lon loo lot lou lta ltb lte ltl lto ltt ltu lua lub lue lul lun luo lut luu naa nab nae nal nan nao nat nau nba nbb nbe nbl nbn nbo nbt nbu ne- nea neb nee nel nen neo net neu nla nlb nle nll nln nlo nlt nlu nna nnb nne nnl nnn nno nnt nnu no- noa nob noe nol non noo not nou nta ntb nte ntn nto ntt ntu nua nub nue nul nun nuo nut nuu oaa oab oae oal oan oao oat oau ob- oba obb obe obl obn obo obt obu oea oeb oee oel oen oeo oet ola olb ole oll oln olo olt olu on- ona onb one onl onn ono ont onu oo- ooa oob ool oon ooo oot ot- ota otb ote otl otn oto ott otu ou- oua oue oul oun ouo out taa tab tae tal tan tao tat tau tba tbb tbe tbl tbn tbo tbt tbu te- tea teb tee tel ten teo tet teu tla tle tll tln tlo tlt tlu tna tnb tne tnl tnn tno tnt to- toa tob toe tol ton too tot tou tta ttb tte ttl ttn tto ttt ttu tua tub tue tul tun tuo tut tuu ua- uaa uab uae ual uan uao uat uau uba ubb ube ubl ubn ubo ubt ubu uea ueb uee uel uen uet ula ulb ule ull uln ulo ult ulu un- una unb une unl unn uno unt unu uoa uob uoe uol uon uoo uot uta utb ute utl utn uto utt utu uua uue uun uut uuu