-ic -th bbb bbc bbf bbh bbi bbs bbt bcb bcc bcf bch bci bcs bct bfb bfc bff bfh bfi bfs bft bhb bhc bhf bhh bhi bhs bht bi- bib bic bif bih bii bis bit bsb bsc bsf bsh bsi bss bst btb btc btf bth bti bts btt c-- cbb cbc cbf cbh cbi cbs cbt ccb ccc ccf cch cci ccs cct cfb cfc cff cfh cfi cfs cft ch- chb chc chf chh chi chs cht ci- cib cic cif cih cii cis cit csb csc csf csh csi css cst ctb ctc ctf cth cti cts ctt fbb fbc fbf fbh fbi fbs fbt fcb fcc fcf fci fcs fct ffc fff ffh ffi ffs fft fhb fhc fhf fhh fhi fhs fib fic fif fih fii fis fit fsb fsc fsf fsh fsi fss fst ftb ftc ftf fth fti fts ftt h-i hbb hbc hbf hbh hbi hbs hbt hcb hcc hcf hch hci hcs hct hfb hfc hff hfh hfi hfs hft hhb hhc hhf hhh hhi hhs hht hib hic hif hih hii his hit hsb hsc hsf hsh hsi hss hst htb htc htf hth hti hts htt i-f ibb ibc ibf ibh ibi ibs ibt icb icc icf ich ici ics ict ifb ifc iff ifi ifs ift ihb ihc ihf ihh ihi ihs iht iib iic iif iih iii iis iit is- isb isc isf ish isi iss ist itb itc itf ith iti its itt sbb sbc sbf sbh sbi sbs sbt scb scc scf sch sci scs sct sfb sfc sff sfh sfi sfs sft sh- shb shc shf shh shi shs sht sib sic sif sih sii sis sit ss- ssb ssc ssf ssh ssi sss sst stb stc stf sth sti sts stt tbb tbc tbf tbh tbi tbs tbt tcb tcc tcf tch tci tcs tct tfb tfc tff tfh tfi tfs tft th- thb thc thf thh thi ths tht tib tic tif tih tii tis tit tsb tsc tsf tsh tsi tss tst ttb ttc ttf tth tti tts ttt