-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aag aah aai aat ab- aba abb abc abe abg abh abi abt ac- aca acb acc ace acg ach aci act aea aeb aec aee aeg aeh aei aet ag- aga agb agc age agg agh agi agt aha ahb ahc ahe ahg ahh ahi aht ai- aia aib aic aie aig aih aii ait at- ata atb atc ate atg ath ati att baa bab bac bae bag bah bai bat bba bbb bbc bbe bbg bbh bbi bbt bca bcb bcc bce bcg bch bci bct be- bea beb bec bee beg beh bei bet bga bgb bgc bge bgg bgh bgi bgt bha bhb bhc bhe bhg bhh bhi bht bi- bia bib bic bie big bih bii bit bta btb btc bte btg bth bti btt c-- caa cab cac cae cag cah cai cat cba cbb cbc cbe cbg cbh cbi cbt cca ccb ccc cce ccg cch cci cct ce- cea ceb cec cee ceg ceh cei cet cga cgb cgc cge cgg cgh cgi cgt ch- cha chb chc che chg chh chi cht ci- cia cib cic cie cig cih cii cit cta ctb ctc cte ctg cth cti ctt eaa eab eac eae eag eah eai eat eba ebb ebc ebe ebg ebh ebi ebt ec- eca ecb ecc ece ecg ech eci ect eea eeb eec eee eeg eet ega egb egc ege egg egh egi egt eha ehb ehc ehe ehg ehh ehi eht eia eib eic eie eig eii eit eta etb etc ete etg eth eti ett gaa gab gac gae gag gah gai gat gba gbc gbe gbg gbh gbi gbt gca gcb gcc gce gcg gch gci gct ge- gea geb gec gee geg geh gei get gga ggb ggc ggg ggh ggi ggt gha ghb ghc ghe ghg ghh ghi ght gia gib gic gie gig gih gii git gta gtb gtc gte gtg gth gti gtt h-i haa hab hac hae hag hah hai hat hba hbb hbc hbe hbg hbh hbi hbt hca hcb hcc hce hcg hch hci hct he- hea heb hec hee heg heh hei het hga hgb hgc hge hgg hgh hgi hgt hha hhb hhc hhe hhg hhh hhi hht hia hib hic hie hig hih hii hit hta htb htc hte htg hth hti htt ia- iaa iab iac iae iag iah iai iat iba ibb ibc ibe ibg ibh ibi ibt ica icb icc ice icg ich ici ict ie- iea iec iee ieg iei iet iga igb igc ige igg igh igi igt iha ihb ihc ihe ihg ihh ihi iht iia iib iic iie iih iii iit ita itb itc ite itg ith iti itt taa tab tac tae tag tah tai tat tba tbb tbc tbe tbg tbh tbi tbt tca tcb tcc tce tcg tch tci tct te- tea teb tec tee teg teh tei tet tga tgb tgc tge tgg tgh tgi tgt th- tha thb thc the thg thh thi tht tia tib tic tie tig tih tii tit tta ttb ttc tte ttg tth tti ttt