-th a-a a-b a-t aaa aab aad aag aah aan aao aat ab- aba abb abd abg abh abn abo abt ad- ada adb add adg adh adn ado adt ag- aga agb agd agg agh agn ago agt aha ahb ahd ahg ahh ahn aho aht an- ana anb and ang anh ann ano ant aoa aob aod aog aoh aon aoo aot at- ata atb atd atg ath atn ato att baa bab bad bag bah ban bao bat bba bbb bbd bbg bbh bbn bbo bbt bda bdb bdd bdg bdh bdo bdt bga bgb bgd bgg bgh bgn bgo bgt bha bhb bhd bhg bhh bho bht bna bnb bnd bng bnn bno bnt boa bob bod bog boh bon boo bot bta btb btd btg bth btn bto btt daa dab dad dag dah dan dao dat dba dbb dbd dbg dbh dbn dbo dbt dda ddb ddd ddg ddh ddn ddo ddt dga dgd dgg dgh dgn dgt dh- dha dhb dhd dhh dho dht dna dnb dnd dng dnh dnn dno dnt doa dob dod dog doh don doo dot dta dtb dtd dtg dth dtn dto dtt g-d gaa gab gad gag gah gan gao gat gba gbd gbg gbh gbn gbo gbt gda gdb gdd gdh gdn gdo gdt gga ggb ggd ggg ggh ggn ggo ggt gha ghb ghd ghg ghh ghn gho ght gna gnb gnd gnn gno gnt goa gob god gog goh gon goo got gta gtb gtd gtg gth gtn gto gtt haa hab had hag hah han hao hat hba hbb hbd hbg hbh hbn hbo hbt hda hdb hdd hdg hdh hdn hdo hdt hga hgb hgg hgh hgn hgo hgt hha hhb hhd hhg hhh hhn hho hht hna hnb hnd hng hnh hnn hno hnt hoa hob hod hog hoh hon hoo hot hta htb htd htg hth htn hto htt naa nab nad nag nah nan nao nat nba nbb nbd nbg nbn nbo nbt nda ndb ndd ndg ndh ndn ndo ndt nga ngb ngd ngg ngh ngn ngo ngt nha nhb nhd nhg nhh nhn nht nna nnb nng nnh nnn nno nnt no- noa nob nod nog noh non noo not nta ntb ntd ntg nth ntn nto ntt oaa oab oad oag oah oan oao oat ob- oba obb obd obg obh obn obo obt oda odb odd odg odh odn odo odt oga ogd ogg ogh ogn ogo ogt oha ohd ohg ohh ohn oho oht on- ona onb ond ong onh onn ono ont oo- ooa oob ood oog ooh oon ooo oot ot- ota otb otd otg oth otn oto ott taa tab tad tag tah tan tao tat tba tbb tbd tbg tbh tbn tbo tbt tda tdb tdd tdg tdh tdn tdo tdt tga tgb tgg tgh tgn tgo tgt th- tha thb thd thg thh thn tho tht tna tnb tnd tng tnh tnn tno tnt to- toa tob tod tog toh ton too tot tta ttb ttd ttg tth ttn tto ttt