-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aak aas aat ab- aba abb abc abh abi abk abs abt ac- aca acb acc ach aci ack acs act aha ahb ahc ahh ahi ahk ahs aht ai- aia aib aic aih aii aik ais ait aka akb akc akh aki akk aks as- asa asb asc ash asi ask ass ast at- ata atb atc ath ati ats att baa bab bac bah bai bak bas bat bba bbb bbc bbh bbi bbk bbs bbt bca bcb bcc bch bci bck bcs bct bha bhb bhc bhh bhi bhk bhs bht bi- bia bib bic bih bii bik bis bit bka bkb bkc bkk bks bkt bsa bsb bsc bsh bsi bsk bss bst bta btb btc bth bti btk bts btt c-- caa cab cac cah cai cak cas cat cba cbb cbc cbh cbi cbk cbs cbt cca ccb ccc cch cci cck ccs cct ch- cha chb chc chh chi chk chs cht ci- cia cib cic cih cii cik cis cit cka ckb ckc ckh cki cks ckt csa csb csc csh csi csk css cst cta ctb ctc cth cti ctk cts ctt h-i haa hab hac hah hai hak has hat hba hbb hbc hbh hbi hbk hbs hbt hca hcb hcc hch hci hck hcs hct hha hhb hhc hhh hhi hhk hhs hht hia hib hic hih hii hik his hit hka hkb hkh hki hkk hks hkt hsa hsb hsc hsh hsi hsk hss hst hta htb htc hth hti htk hts htt ia- iaa iab iac iah iai ias iat iba ibb ibc ibh ibi ibk ibs ibt ica icb icc ich ici ick ics ict iha ihb ihc ihh ihi ihk ihs iht iia iib iic iih iii iis iit ika ikb ikc iki ikk iks ikt is- isa isb isc ish isi isk iss ist ita itb itc ith iti itk its itt k-t ka- kaa kab kac kah kai kak kas kat kba kbb kbc kbh kbi kbk kbs kca kcb kcc kch kci kck kcs kct kha khh khi khk khs kia kib kic kih kii kik kis kit kkb kkc kkh kki kkk kks kkt ksa ksb ksc ksh ksi ksk kss kst kta ktb ktc kth ktk kts ktt saa sab sac sah sai sak sas sat sba sbb sbc sbh sbi sbk sbs sbt sca scb scc sch sci sck scs sct sh- sha shb shc shh shi shk shs sht sia sib sic sih sii sik sis sit sk- ska skb skc skh ski skk sks skt ss- ssa ssb ssc ssh ssi ssk sss sst sta stb stc sth sti stk sts stt taa tab tac tah tai tak tas tat tba tbb tbc tbh tbi tbk tbs tbt tca tcb tcc tch tci tck tcs tct th- tha thb thc thh thi thk ths tht tia tib tic tih tii tik tis tit tka tkb tkc tkk tks tkt tsa tsb tsc tsh tsi tsk tss tst tta ttb ttc tth tti ttk tts ttt