-al -ol -th a-a a-b a-t aaa aab aag aah aal aan aao aat ab- aba abb abg abh abl abn abo abt ag- aga agb agg agh agl agn ago agt aha ahb ahg ahh ahl ahn aho aht al- ala alb alg alh all aln alo alt an- ana anb ang anh anl ann ano ant aoa aob aog aoh aol aon aoo aot at- ata atb atg ath atl atn ato att baa bab bag bah bal ban bao bat bba bbb bbg bbh bbl bbn bbo bbt bga bgb bgg bgh bgl bgn bgo bgt bha bhb bhg bhh bhl bho bht bla blb blg blh bll bln blo blt bna bnb bng bnl bnn bno bnt boa bob bog boh bol bon boo bot bta btb btg bth btl btn bto btt gaa gab gag gah gal gan gao gat gba gbg gbh gbl gbn gbo gbt gga ggb ggg ggh ggn ggo ggt gha ghb ghg ghh ghl ghn gho ght gla glb glg glh gll gln glo glt gna gnb gnl gnn gno gnt goa gob gog goh gol gon goo got gta gtb gtg gth gtl gtn gto gtt haa hab hag hah hal han hao hat hba hbb hbg hbh hbl hbn hbo hbt hga hgb hgg hgh hgl hgn hgo hgt hha hhb hhg hhh hhl hhn hho hht hla hlb hlg hlh hll hln hlo hlt hna hnb hng hnh hnl hnn hno hnt hoa hob hog hoh hol hon hoo hot hta htb htg hth htl htn hto htt la- laa lab lag lah lal lan lao lat lba lbb lbg lbh lbl lbo lbt lga lgb lgg lgh lgl lgn lgo lgt lha lhb lhh lho lht lla llb llg lll lln llo llt lna lnb lng lnh lnl lnn lno lnt loa lob log loh lol lon loo lot lta ltb ltg lth ltl lto ltt naa nab nag nah nal nan nao nat nba nbb nbg nbl nbn nbo nbt nga ngb ngg ngh ngl ngn ngo ngt nha nhb nhg nhh nhl nhn nht nla nlb nlg nlh nll nln nlo nlt nna nnb nng nnh nnl nnn nno nnt no- noa nob nog noh nol non noo not nta ntb ntg nth ntn nto ntt oaa oab oag oah oal oan oao oat ob- oba obb obg obh obl obn obo obt oga ogg ogh ogl ogn ogo ogt oha ohg ohh ohl ohn oho oht ola olb olg oll oln olo olt on- ona onb ong onh onl onn ono ont oo- ooa oob oog ooh ool oon ooo oot ot- ota otb otg oth otl otn oto ott taa tab tag tah tal tan tao tat tba tbb tbg tbh tbl tbn tbo tbt tga tgb tgg tgh tgl tgn tgo tgt th- tha thb thg thh thl thn tho tht tla tlg tlh tll tln tlo tlt tna tnb tng tnh tnl tnn tno tnt to- toa tob tog toh tol ton too tot tta ttb ttg tth ttl ttn tto ttt