-al -ly -ol a-a a-b a-i a-t aaa aab aag aai aal aao aat aay ab- aba abb abg abi abl abo abt aby ag- aga agb agg agi agl ago agt agy ai- aia aib aig aii ail aio ait aiy al- ala alb alg ali all alo alt aly aoa aob aog aoi aol aoo aot at- ata atb atg ati atl ato att ay- aya ayi ayl ayo ayt baa bab bag bai bal bao bat bay bba bbb bbg bbi bbl bbo bbt bby bga bgb bgg bgi bgl bgo bgt bi- bia bib big bii bil bio bit biy bla blb blg bli bll blo blt bly boa bob bog boi bol boo bot boy bta btb btg bti btl bto btt bty by- bya byg byi byl byo byt gaa gab gag gai gal gao gat gay gba gbg gbi gbl gbo gbt gby gga ggb ggg ggi ggo ggt gia gib gig gii gil gio git giy gla glb glg gli gll glo glt gly goa gob gog goi gol goo got goy gta gtb gtg gti gtl gto gtt gty gy- gya gyb gyl gyo ia- iaa iab iag iai ial iao iat iba ibb ibg ibi ibl ibo ibt iby iga igb igg igi igl igo igt igy iia iib iii iil iio iit il- ila ilb ilg ili ill ilo ilt ily io- ioa iob iog ioi iol ioo iot ita itb itg iti itl ito itt ity iya iyo iyt iyy la- laa lab lag lai lal lao lat lay lba lbb lbg lbi lbl lbo lbt lga lgb lgg lgi lgl lgo lgt lia lib lig lii lil lio lit lla llb llg lli lll llo llt lly loa lob log loi lol loo lot loy lta ltb ltg lti ltl lto ltt lya lyg lyl lyo lyt o-i oaa oab oag oai oal oao oat ob- oba obb obg obi obl obo obt oby oga ogg ogi ogl ogo ogt ogy oia oib oii oil oio oit ola olb olg oli oll olo olt oly oo- ooa oob oog ooi ool ooo oot ot- ota otb otg oti otl oto ott oya oyi oyl oyo taa tab tag tai tal tao tat tay tba tbb tbg tbi tbl tbo tbt tga tgb tgg tgi tgl tgo tgt tgy tia tib tig tii til tio tit tiy tla tlg tli tll tlo tlt to- toa tob tog toi tol too tot toy tta ttb ttg tti ttl tto ttt tty tya tyg tyl tyo tyt yaa yab yag yai yal yao yat yay ybg ybi ybl yby yga ygl ygo yig yii yio yit ylg yli yll ylt yly yob yog yoi yol yoo yot yoy yta ytl yto ytt yyb yyg yyt yyy