-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aat ab- aba abb abc abe abh abi abt ac- aca acb acc ace ach aci act aea aeb aec aee aeh aei aet aha ahb ahc ahe ahh ahi aht ai- aia aib aic aie aih aii ait at- ata atb atc ate ath ati att baa bab bac bae bah bai bat bba bbb bbc bbe bbh bbi bbt bca bcb bcc bce bch bci bct be- bea beb bec bee beh bei bet bha bhb bhc bhe bhh bhi bht bi- bia bib bic bie bih bii bit bta btb btc bte bth bti btt c-- caa cab cac cae cah cai cat cba cbb cbc cbe cbh cbi cbt cca ccb ccc cce cch cci cct ce- cea ceb cec cee ceh cei cet ch- cha chb chc che chh chi cht ci- cia cib cic cie cih cii cit cta ctb ctc cte cth cti ctt eaa eab eac eae eah eai eat eba ebb ebc ebe ebh ebi ebt ec- eca ecb ecc ece ech eci ect eea eeb eec eee eet eha ehb ehc ehe ehh ehi eht eia eib eic eie eii eit eta etb etc ete eth eti ett h-i haa hab hac hae hah hai hat hba hbb hbc hbe hbh hbi hbt hca hcb hcc hce hch hci hct he- hea heb hec hee heh hei het hha hhb hhc hhe hhh hhi hht hia hib hic hie hih hii hit hta htb htc hte hth hti htt ia- iaa iab iac iae iah iai iat iba ibb ibc ibe ibh ibi ibt ica icb icc ice ich ici ict ie- iea iec iee iei iet iha ihb ihc ihe ihh ihi iht iia iib iic iie iih iii iit ita itb itc ite ith iti itt taa tab tac tae tah tai tat tba tbb tbc tbe tbh tbi tbt tca tcb tcc tce tch tci tct te- tea teb tec tee teh tei tet th- tha thb thc the thh thi tht tia tib tic tie tih tii tit tta ttb ttc tte tth tti ttt