-ic -th bbb bbc bbh bbi bbs bbt bcb bcc bch bci bcs bct bhb bhc bhh bhi bhs bht bi- bib bic bih bii bis bit bsb bsc bsh bsi bss bst btb btc bth bti bts btt c-- cbb cbc cbh cbi cbs cbt ccb ccc cch cci ccs cct ch- chb chc chh chi chs cht ci- cib cic cih cii cis cit csb csc csh csi css cst ctb ctc cth cti cts ctt h-i hbb hbc hbh hbi hbs hbt hcb hcc hch hci hcs hct hhb hhc hhh hhi hhs hht hib hic hih hii his hit hsb hsc hsh hsi hss hst htb htc hth hti hts htt ibb ibc ibh ibi ibs ibt icb icc ich ici ics ict ihb ihc ihh ihi ihs iht iib iic iih iii iis iit is- isb isc ish isi iss ist itb itc ith iti its itt sbb sbc sbh sbi sbs sbt scb scc sch sci scs sct sh- shb shc shh shi shs sht sib sic sih sii sis sit ss- ssb ssc ssh ssi sss sst stb stc sth sti sts stt tbb tbc tbh tbi tbs tbt tcb tcc tch tci tcs tct th- thb thc thh thi ths tht tib tic tih tii tis tit tsb tsc tsh tsi tss tst ttb ttc tth tti tts ttt