-ic bbb bbc bbh bbi bbk bcb bcc bch bci bck bhb bhc bhh bhi bhk bi- bib bic bih bii bik bkb bkc bkk c-- cbb cbc cbh cbi cbk ccb ccc cch cci cck ch- chb chc chh chi chk ci- cib cic cih cii cik ckb ckc ckh cki h-i hbb hbc hbh hbi hbk hcb hcc hch hci hck hhb hhc hhh hhi hhk hib hic hih hii hik hkb hkh hki hkk ibb ibc ibh ibi ibk icb icc ich ici ick ihb ihc ihh ihi ihk iib iic iih iii ikb ikc iki ikk kbb kbc kbh kbi kbk kcb kcc kch kci kck khh khi khk kib kic kih kii kik kkb kkc kkh kki kkk