-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aam aat ab- aba abb abc abh abi abm abt ac- aca acb acc ach aci acm act aha ahb ahc ahh ahi ahm aht ai- aia aib aic aih aii aim ait ama amb amc amh ami amm amt at- ata atb atc ath ati atm att baa bab bac bah bai bam bat bba bbb bbc bbh bbi bbm bbt bca bcb bcc bch bci bcm bct bha bhb bhc bhh bhi bhm bht bi- bia bib bic bih bii bim bit bma bmb bmc bmh bmi bmm bmt bta btb btc bth bti btm btt c-- caa cab cac cah cai cam cat cba cbb cbc cbh cbi cbm cbt cca ccb ccc cch cci ccm cct ch- cha chb chc chh chi chm cht ci- cia cib cic cih cii cim cit cma cmb cmc cmh cmi cmm cmt cta ctb ctc cth cti ctm ctt h-i haa hab hac hah hai ham hat hba hbb hbc hbh hbi hbm hbt hca hcb hcc hch hci hcm hct hha hhb hhc hhh hhi hhm hht hia hib hic hih hii him hit hma hmb hmc hmh hmi hmm hmt hta htb htc hth hti htm htt ia- iaa iab iac iah iai iam iat iba ibb ibc ibh ibi ibm ibt ica icb icc ich ici icm ict iha ihb ihc ihh ihi ihm iht iia iib iic iih iii iim iit im- ima imb imc imh imi imm imt ita itb itc ith iti itm itt maa mab mac mah mai mam mat mba mbb mbc mbh mbi mbm mbt mc- mca mcb mcc mch mci mcm mct mha mhc mhh mhi mhm mht mi- mia mib mic mih mii mim mit mma mmb mmc mmh mmi mmm mmt mta mtb mtc mth mti mtm mtt taa tab tac tah tai tam tat tba tbb tbc tbh tbi tbm tbt tca tcb tcc tch tci tcm tct th- tha thb thc thh thi thm tht tia tib tic tih tii tim tit tma tmb tmc tmh tmi tmm tmt tta ttb ttc tth tti ttm ttt