-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aak aat ab- aba abb abc abh abi abk abt ac- aca acb acc ach aci ack act aha ahb ahc ahh ahi ahk aht ai- aia aib aic aih aii aik ait aka akb akc akh aki akk at- ata atb atc ath ati att baa bab bac bah bai bak bat bba bbb bbc bbh bbi bbk bbt bca bcb bcc bch bci bck bct bha bhb bhc bhh bhi bhk bht bi- bia bib bic bih bii bik bit bka bkb bkc bkk bkt bta btb btc bth bti btk btt c-- caa cab cac cah cai cak cat cba cbb cbc cbh cbi cbk cbt cca ccb ccc cch cci cck cct ch- cha chb chc chh chi chk cht ci- cia cib cic cih cii cik cit cka ckb ckc ckh cki ckt cta ctb ctc cth cti ctk ctt h-i haa hab hac hah hai hak hat hba hbb hbc hbh hbi hbk hbt hca hcb hcc hch hci hck hct hha hhb hhc hhh hhi hhk hht hia hib hic hih hii hik hit hka hkb hkh hki hkk hkt hta htb htc hth hti htk htt ia- iaa iab iac iah iai iat iba ibb ibc ibh ibi ibk ibt ica icb icc ich ici ick ict iha ihb ihc ihh ihi ihk iht iia iib iic iih iii iit ika ikb ikc iki ikk ikt ita itb itc ith iti itk itt k-t ka- kaa kab kac kah kai kak kat kba kbb kbc kbh kbi kbk kca kcb kcc kch kci kck kct kha khh khi khk kia kib kic kih kii kik kit kkb kkc kkh kki kkk kkt kta ktb ktc kth ktk ktt taa tab tac tah tai tak tat tba tbb tbc tbh tbi tbk tbt tca tcb tcc tch tci tck tct th- tha thb thc thh thi thk tht tia tib tic tih tii tik tit tka tkb tkc tkk tkt tta ttb ttc tth tti ttk ttt