-al -ol a-a a-b a-i a-t aaa aab aag aai aal aan aao aat ab- aba abb abg abi abl abn abo abt ag- aga agb agg agi agl agn ago agt ai- aia aib aig aii ail ain aio ait al- ala alb alg ali all aln alo alt an- ana anb ang ani anl ann ano ant aoa aob aog aoi aol aon aoo aot at- ata atb atg ati atl atn ato att baa bab bag bai bal ban bao bat bba bbb bbg bbi bbl bbn bbo bbt bga bgb bgg bgi bgl bgn bgo bgt bi- bia bib big bii bil bin bio bit bla blb blg bli bll bln blo blt bna bnb bng bni bnl bnn bno bnt boa bob bog boi bol bon boo bot bta btb btg bti btl btn bto btt gaa gab gag gai gal gan gao gat gba gbg gbi gbl gbn gbo gbt gga ggb ggg ggi ggn ggo ggt gia gib gig gii gil gin gio git gla glb glg gli gll gln glo glt gna gnb gni gnl gnn gno gnt goa gob gog goi gol gon goo got gta gtb gtg gti gtl gtn gto gtt ia- iaa iab iag iai ial ian iao iat iba ibb ibg ibi ibl ibn ibo ibt iga igb igg igi igl ign igo igt iia iib iii iil iin iio iit il- ila ilb ilg ili ill iln ilo ilt in- ina inb ing ini inl inn ino int io- ioa iob iog ioi iol ion ioo iot ita itb itg iti itl itn ito itt la- laa lab lag lai lal lan lao lat lba lbb lbg lbi lbl lbo lbt lga lgb lgg lgi lgl lgn lgo lgt lia lib lig lii lil lin lio lit lla llb llg lli lll lln llo llt lna lnb lng lni lnl lnn lno lnt loa lob log loi lol lon loo lot lta ltb ltg lti ltl lto ltt n-i naa nab nag nai nal nan nao nat nba nbb nbg nbi nbl nbn nbo nbt nga ngb ngg ngi ngl ngn ngo ngt nia nib nig nii nil nin nio nit nla nlb nlg nli nll nln nlo nlt nna nnb nng nni nnl nnn nno nnt no- noa nob nog noi nol non noo not nta ntb ntg nti ntn nto ntt o-i oaa oab oag oai oal oan oao oat ob- oba obb obg obi obl obn obo obt oga ogg ogi ogl ogn ogo ogt oia oib oii oil oin oio oit ola olb olg oli oll oln olo olt on- ona onb ong oni onl onn ono ont oo- ooa oob oog ooi ool oon ooo oot ot- ota otb otg oti otl otn oto ott taa tab tag tai tal tan tao tat tba tbb tbg tbi tbl tbn tbo tbt tga tgb tgg tgi tgl tgn tgo tgt tia tib tig tii til tin tio tit tla tlg tli tll tln tlo tlt tna tnb tng tni tnl tnn tno tnt to- toa tob tog toi tol ton too tot tta ttb ttg tti ttl ttn tto ttt