-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aat aau ab- aba abb abc abh abi abt abu ac- aca acb acc ach aci act acu aha ahb ahc ahh ahi aht ahu ai- aia aib aic aih aii ait aiu at- ata atb atc ath ati att atu au- aua aub auc auh aui aut b-u baa bab bac bah bai bat bau bba bbb bbc bbh bbi bbt bbu bca bcb bcc bch bci bct bcu bha bhb bhc bhh bhi bht bhu bi- bia bib bic bih bii bit biu bta btb btc bth bti btt btu bua bub buc buh bui but buu c-- caa cab cac cah cai cat cau cba cbb cbc cbh cbi cbt cbu cca ccb ccc cch cci cct ccu ch- cha chb chc chh chi cht chu ci- cia cib cic cih cii cit ciu cta ctb ctc cth cti ctt ctu cua cub cuc cuh cui cut cuu h-i haa hab hac hah hai hat hau hba hbb hbc hbh hbi hbt hbu hca hcb hcc hch hci hct hha hhb hhc hhh hhi hht hhu hia hib hic hih hii hit hiu hta htb htc hth hti htt hua hub huc huh hui hut huu ia- iaa iab iac iah iai iat iau iba ibb ibc ibh ibi ibt ibu ica icb icc ich ici ict icu iha ihb ihc ihh ihi iht ihu iia iib iic iih iii iit iiu ita itb itc ith iti itt itu iu- iua iub iuc iui iut taa tab tac tah tai tat tau tba tbb tbc tbh tbi tbt tbu tca tcb tcc tch tci tct tcu th- tha thb thc thh thi tht thu tia tib tic tih tii tit tiu tta ttb ttc tth tti ttt ttu tua tub tuc tuh tui tut tuu ua- uaa uab uac uah uai uat uau uba ubb ubc ubh ubi ubt ubu uca ucb ucc uch uci uct ucu uha uhb uhc uhh uhi uht uhu uia uib uic uii uit uiu uta utb utc uth uti utt utu uua uuc uut uuu