-al -ol a-a a-b a-i a-t aaa aab aag aai aal aao aat aau ab- aba abb abg abi abl abo abt abu ag- aga agb agg agi agl ago agt agu ai- aia aib aig aii ail aio ait aiu al- ala alb alg ali all alo alt alu aoa aob aog aoi aol aoo aot aou at- ata atb atg ati atl ato att atu au- aua aub aug aui aul auo aut b-u baa bab bag bai bal bao bat bau bba bbb bbg bbi bbl bbo bbt bbu bga bgb bgg bgi bgl bgo bgt bgu bi- bia bib big bii bil bio bit biu bla blb blg bli bll blo blt blu boa bob bog boi bol boo bot bou bta btb btg bti btl bto btt btu bua bub bug bui bul buo but buu gaa gab gag gai gal gao gat gau gba gbg gbi gbl gbo gbt gbu gga ggb ggg ggi ggo ggt ggu gia gib gig gii gil gio git giu gla glb glg gli gll glo glt glu goa gob gog goi gol goo got gou gta gtb gtg gti gtl gto gtt gtu gu- gua gub gug gui gul guo gut guu ia- iaa iab iag iai ial iao iat iau iba ibb ibg ibi ibl ibo ibt ibu iga igb igg igi igl igo igt igu iia iib iii iil iio iit iiu il- ila ilb ilg ili ill ilo ilt ilu io- ioa iob iog ioi iol ioo iot iou ita itb itg iti itl ito itt itu iu- iua iub iug iui iut la- laa lab lag lai lal lao lat lau lba lbb lbg lbi lbl lbo lbt lbu lga lgb lgg lgi lgl lgo lgt lgu lia lib lig lii lil lio lit liu lla llb llg lli lll llo llt llu loa lob log loi lol loo lot lou lta ltb ltg lti ltl lto ltt ltu lua lub lug lui lul luo lut luu o-i oaa oab oag oai oal oao oat oau ob- oba obb obg obi obl obo obt obu oga ogg ogi ogl ogo ogt oia oib oii oil oio oit oiu ola olb olg oli oll olo olt olu oo- ooa oob oog ooi ool ooo oot ot- ota otb otg oti otl oto ott otu ou- oua oui oul ouo out taa tab tag tai tal tao tat tau tba tbb tbg tbi tbl tbo tbt tbu tga tgb tgg tgi tgl tgo tgt tgu tia tib tig tii til tio tit tiu tla tlg tli tll tlo tlt tlu to- toa tob tog toi tol too tot tou tta ttb ttg tti ttl tto ttt ttu tua tub tug tui tul tuo tut tuu ua- uaa uab uag uai ual uao uat uau uba ubb ubg ubi ubl ubo ubt ubu uga ugb ugg ugi ugl ugo ugt ugu uia uib uig uii uil uio uit uiu ula ulb ulg uli ull ulo ult ulu uoa uob uog uol uoo uot uta utb uti utl uto utt utu uua uug uut uuu