-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aas aat aau ab- aba abb abc abh abi abs abt abu ac- aca acb acc ach aci acs act acu aha ahb ahc ahh ahi ahs aht ahu ai- aia aib aic aih aii ais ait aiu as- asa asb asc ash asi ass ast asu at- ata atb atc ath ati ats att atu au- aua aub auc auh aui aus aut b-u baa bab bac bah bai bas bat bau bba bbb bbc bbh bbi bbs bbt bbu bca bcb bcc bch bci bcs bct bcu bha bhb bhc bhh bhi bhs bht bhu bi- bia bib bic bih bii bis bit biu bsa bsb bsc bsh bsi bss bst bsu bta btb btc bth bti bts btt btu bua bub buc buh bui bus but buu c-- caa cab cac cah cai cas cat cau cba cbb cbc cbh cbi cbs cbt cbu cca ccb ccc cch cci ccs cct ccu ch- cha chb chc chh chi chs cht chu ci- cia cib cic cih cii cis cit ciu csa csb csc csh csi css cst csu cta ctb ctc cth cti cts ctt ctu cua cub cuc cuh cui cus cut cuu h-i haa hab hac hah hai has hat hau hba hbb hbc hbh hbi hbs hbt hbu hca hcb hcc hch hci hcs hct hha hhb hhc hhh hhi hhs hht hhu hia hib hic hih hii his hit hiu hsa hsb hsc hsh hsi hss hst hsu hta htb htc hth hti hts htt hua hub huc huh hui hus hut huu ia- iaa iab iac iah iai ias iat iau iba ibb ibc ibh ibi ibs ibt ibu ica icb icc ich ici ics ict icu iha ihb ihc ihh ihi ihs iht ihu iia iib iic iih iii iis iit iiu is- isa isb isc ish isi iss ist isu ita itb itc ith iti its itt itu iu- iua iub iuc iui ius iut saa sab sac sah sai sas sat sau sba sbb sbc sbh sbi sbs sbt sbu sca scb scc sch sci scs sct scu sh- sha shb shc shh shi shs sht shu sia sib sic sih sii sis sit siu ss- ssa ssb ssc ssh ssi sss sst ssu sta stb stc sth sti sts stt stu sua sub suc suh sui sus sut suu taa tab tac tah tai tas tat tau tba tbb tbc tbh tbi tbs tbt tbu tca tcb tcc tch tci tcs tct tcu th- tha thb thc thh thi ths tht thu tia tib tic tih tii tis tit tiu tsa tsb tsc tsh tsi tss tst tsu tta ttb ttc tth tti tts ttt ttu tua tub tuc tuh tui tus tut tuu ua- uaa uab uac uah uai uas uat uau uba ubb ubc ubh ubi ubs ubt ubu uca ucb ucc uch uci ucs uct ucu uha uhb uhc uhh uhi uhs uht uhu uia uib uic uii uis uit uiu usa usb usc ush usi uss ust usu uta utb utc uth uti uts utt utu uua uuc uus uut uuu