-ic -th bbb bbc bbh bbi bbt bbx bcb bcc bch bci bct bcx bhb bhc bhh bhi bht bhx bi- bib bic bih bii bit bix btb btc bth bti btt btx bxb bxi bxx c-- cbb cbc cbh cbi cbt cbx ccb ccc cch cci cct ccx ch- chb chc chh chi cht chx ci- cib cic cih cii cit cix ctb ctc cth cti ctt ctx cxc cxh cxi cxt cxx h-i hbb hbc hbh hbi hbt hbx hcb hcc hch hci hct hhb hhc hhh hhi hht hib hic hih hii hit hix htb htc hth hti htt htx hxc ibb ibc ibh ibi ibt ibx icb icc ich ici ict ihb ihc ihh ihi iht iib iic iih iii iit iix itb itc ith iti itt itx ixc ixi t-x tbb tbc tbh tbi tbt tcb tcc tch tci tct tcx th- thb thc thh thi tht thx tib tic tih tii tit tix ttb ttc tth tti ttt ttx txi txt xbc xbx xcb xch xci xcx xht xic xii xit xix xtc xti xtx xxi xxx