-al -ol a-a a-b aaa aab aae aag aal aan aao aau ab- aba abb abe abg abl abn abo abu aea aeb aee aeg ael aen aeo aeu ag- aga agb age agg agl agn ago agu al- ala alb ale alg all aln alo alu an- ana anb ane ang anl ann ano anu aoa aob aoe aog aol aon aoo aou au- aua aub aue aug aul aun auo b-u baa bab bae bag bal ban bao bau bba bbb bbe bbg bbl bbn bbo bbu be- bea beb bee beg bel ben beo beu bga bgb bge bgg bgl bgn bgo bgu bla blb ble blg bll bln blo blu bna bnb bne bng bnl bnn bno bnu boa bob boe bog bol bon boo bou bua bub bue bug bul bun buo buu eaa eab eae eag eal ean eao eau eba ebb ebe ebg ebl ebn ebo ebu eea eeb eee eeg eel een eeo ega egb ege egg egl egn ego egu ela elb ele elg ell eln elo elu en- ena enb ene eng enl enn eno enu eo- eoa eob eoe eog eol eon eoo eou eu- eua eub eue eug eul eun gaa gab gae gag gal gan gao gau gba gbe gbg gbl gbn gbo gbu ge- gea geb gee geg gel gen geo geu gga ggb ggg ggn ggo ggu gla glb gle glg gll gln glo glu gna gnb gne gnl gnn gno gnu goa gob goe gog gol gon goo gou gu- gua gub gue gug gul gun guo guu la- laa lab lae lag lal lan lao lau lba lbb lbe lbg lbl lbo lbu lea leb lee leg lel len leo leu lga lgb lge lgg lgl lgn lgo lgu lla llb lle llg lll lln llo llu lna lnb lne lng lnl lnn lno lnu loa lob loe log lol lon loo lou lua lub lue lug lul lun luo luu naa nab nae nag nal nan nao nau nba nbb nbe nbg nbl nbn nbo nbu ne- nea neb nee neg nel nen neo neu nga ngb nge ngg ngl ngn ngo ngu nla nlb nle nlg nll nln nlo nlu nna nnb nne nng nnl nnn nno nnu no- noa nob noe nog nol non noo nou nua nub nue nug nul nun nuo nuu oaa oab oae oag oal oan oao oau ob- oba obb obe obg obl obn obo obu oea oeb oee oeg oel oen oeo oga oge ogg ogl ogn ogo ola olb ole olg oll oln olo olu on- ona onb one ong onl onn ono onu oo- ooa oob oog ool oon ooo ou- oua oue oul oun ouo ua- uaa uab uae uag ual uan uao uau uba ubb ube ubg ubl ubn ubo ubu uea ueb uee ueg uel uen uga ugb uge ugg ugl ugn ugo ugu ula ulb ule ulg ull uln ulo ulu un- una unb une ung unl unn uno unu uoa uob uoe uog uol uon uoo uua uue uug uun uuu