-ic -th bbb bbc bbf bbh bbi bbt bcb bcc bcf bch bci bct bfb bfc bff bfh bfi bft bhb bhc bhf bhh bhi bht bi- bib bic bif bih bii bit btb btc btf bth bti btt c-- cbb cbc cbf cbh cbi cbt ccb ccc ccf cch cci cct cfb cfc cff cfh cfi cft ch- chb chc chf chh chi cht ci- cib cic cif cih cii cit ctb ctc ctf cth cti ctt fbb fbc fbf fbh fbi fbt fcb fcc fcf fci fct ffc fff ffh ffi fft fhb fhc fhf fhh fhi fib fic fif fih fii fit ftb ftc ftf fth fti ftt h-i hbb hbc hbf hbh hbi hbt hcb hcc hcf hch hci hct hfb hfc hff hfh hfi hft hhb hhc hhf hhh hhi hht hib hic hif hih hii hit htb htc htf hth hti htt i-f ibb ibc ibf ibh ibi ibt icb icc icf ich ici ict ifb ifc iff ifi ift ihb ihc ihf ihh ihi iht iib iic iif iih iii iit itb itc itf ith iti itt tbb tbc tbf tbh tbi tbt tcb tcc tcf tch tci tct tfb tfc tff tfh tfi tft th- thb thc thf thh thi tht tib tic tif tih tii tit ttb ttc ttf tth tti ttt