-ic -th a-a a-b a-c a-i a-t aaa aab aac aag aah aai aan aat ab- aba abb abc abg abh abi abn abt ac- aca acb acc acg ach aci acn act ag- aga agb agc agg agh agi agn agt aha ahb ahc ahg ahh ahi ahn aht ai- aia aib aic aig aih aii ain ait an- ana anb anc ang anh ani ann ant at- ata atb atc atg ath ati atn att baa bab bac bag bah bai ban bat bba bbb bbc bbg bbh bbi bbn bbt bca bcb bcc bcg bch bci bcn bct bga bgb bgc bgg bgh bgi bgn bgt bha bhb bhc bhg bhh bhi bht bi- bia bib bic big bih bii bin bit bna bnb bnc bng bni bnn bnt bta btb btc btg bth bti btn btt c-- caa cab cac cag cah cai can cat cba cbb cbc cbg cbh cbi cbn cbt cca ccb ccc ccg cch cci ccn cct cga cgb cgc cgg cgh cgi cgn cgt ch- cha chb chc chg chh chi chn cht ci- cia cib cic cig cih cii cin cit cn- cna cnb cnc cng cnh cni cnn cnt cta ctb ctc ctg cth cti ctn ctt gaa gab gac gag gah gai gan gat gba gbc gbg gbh gbi gbn gbt gca gcb gcc gcg gch gci gcn gct gga ggb ggc ggg ggh ggi ggn ggt gha ghb ghc ghg ghh ghi ghn ght gia gib gic gig gih gii gin git gna gnb gnc gni gnn gnt gta gtb gtc gtg gth gti gtn gtt h-i haa hab hac hag hah hai han hat hba hbb hbc hbg hbh hbi hbn hbt hca hcb hcc hcg hch hci hcn hct hga hgb hgc hgg hgh hgi hgn hgt hha hhb hhc hhg hhh hhi hhn hht hia hib hic hig hih hii hin hit hna hnb hnc hng hnh hnn hnt hta htb htc htg hth hti htn htt ia- iaa iab iac iag iah iai ian iat iba ibb ibc ibg ibh ibi ibn ibt ica icb icc icg ich ici icn ict iga igb igc igg igh igi ign igt iha ihb ihc ihg ihh ihi ihn iht iia iib iic iih iii iin iit in- ina inb inc ing inh ini inn int ita itb itc itg ith iti itn itt n-i naa nab nac nag nah nai nan nat nba nbb nbc nbg nbi nbn nbt nca ncb ncc ncg nch nci ncn nct nga ngb ngc ngg ngh ngi ngn ngt nha nhb nhc nhg nhh nhi nhn nht nia nib nic nig nih nii nin nit nna nnb nnc nng nnh nni nnn nnt nta ntb ntc ntg nth nti ntn ntt taa tab tac tag tah tai tan tat tba tbb tbc tbg tbh tbi tbn tbt tca tcb tcc tcg tch tci tcn tct tga tgb tgc tgg tgh tgi tgn tgt th- tha thb thc thg thh thi thn tht tia tib tic tig tih tii tin tit tna tnb tnc tng tnh tni tnn tnt tta ttb ttc ttg tth tti ttn ttt