-ic -th bbb bbc bbe bbh bbi bbs bbt bcb bcc bce bch bci bcs bct be- beb bec bee beh bei bes bet bhb bhc bhe bhh bhi bhs bht bi- bib bic bie bih bii bis bit bsb bsc bse bsh bsi bss bst btb btc bte bth bti bts btt c-- cbb cbc cbe cbh cbi cbs cbt ccb ccc cce cch cci ccs cct ce- ceb cec cee ceh cei ces cet ch- chb chc che chh chi chs cht ci- cib cic cie cih cii cis cit csb csc cse csh csi css cst ctb ctc cte cth cti cts ctt ebb ebc ebe ebh ebi ebs ebt ec- ecb ecc ece ech eci ecs ect eeb eec eee ees eet ehb ehc ehe ehh ehi ehs eht eib eic eie eii eis eit es- esb esc ese esh esi ess est etb etc ete eth eti ets ett h-i hbb hbc hbe hbh hbi hbs hbt hcb hcc hce hch hci hcs hct he- heb hec hee heh hei hes het hhb hhc hhe hhh hhi hhs hht hib hic hie hih hii his hit hsb hsc hse hsh hsi hss hst htb htc hte hth hti hts htt ibb ibc ibe ibh ibi ibs ibt icb icc ice ich ici ics ict ie- iec iee iei ies iet ihb ihc ihe ihh ihi ihs iht iib iic iie iih iii iis iit is- isb isc ise ish isi iss ist itb itc ite ith iti its itt sbb sbc sbe sbh sbi sbs sbt scb scc sce sch sci scs sct se- seb sec see seh sei ses set sh- shb shc she shh shi shs sht sib sic sie sih sii sis sit ss- ssb ssc sse ssh ssi sss sst stb stc ste sth sti sts stt tbb tbc tbe tbh tbi tbs tbt tcb tcc tce tch tci tcs tct te- teb tec tee teh tei tes tet th- thb thc the thh thi ths tht tib tic tie tih tii tis tit tsb tsc tse tsh tsi tss tst ttb ttc tte tth tti tts ttt