-al -ol a-a a-b a-t aaa aab aae aal aao aat aau ab- aba abb abe abl abo abt abu aea aeb aee ael aeo aet aeu al- ala alb ale all alo alt alu aoa aob aoe aol aoo aot aou at- ata atb ate atl ato att atu au- aua aub aue aul auo aut b-u baa bab bae bal bao bat bau bba bbb bbe bbl bbo bbt bbu be- bea beb bee bel beo bet beu bla blb ble bll blo blt blu boa bob boe bol boo bot bou bta btb bte btl bto btt btu bua bub bue bul buo but buu eaa eab eae eal eao eat eau eba ebb ebe ebl ebo ebt ebu eea eeb eee eel eeo eet ela elb ele ell elo elt elu eo- eoa eob eoe eol eoo eot eou eta etb ete etl eto ett etu eu- eua eub eue eul eut la- laa lab lae lal lao lat lau lba lbb lbe lbl lbo lbt lbu lea leb lee lel leo let leu lla llb lle lll llo llt llu loa lob loe lol loo lot lou lta ltb lte ltl lto ltt ltu lua lub lue lul luo lut luu oaa oab oae oal oao oat oau ob- oba obb obe obl obo obt obu oea oeb oee oel oeo oet ola olb ole oll olo olt olu oo- ooa oob ool ooo oot ot- ota otb ote otl oto ott otu ou- oua oue oul ouo out taa tab tae tal tao tat tau tba tbb tbe tbl tbo tbt tbu te- tea teb tee tel teo tet teu tla tle tll tlo tlt tlu to- toa tob toe tol too tot tou tta ttb tte ttl tto ttt ttu tua tub tue tul tuo tut tuu ua- uaa uab uae ual uao uat uau uba ubb ube ubl ubo ubt ubu uea ueb uee uel uet ula ulb ule ull ulo ult ulu uoa uob uoe uol uoo uot uta utb ute utl uto utt utu uua uue uut uuu