-ic bbb bbc bbe bbh bbi bcb bcc bce bch bci be- beb bec bee beh bei bhb bhc bhe bhh bhi bi- bib bic bie bih bii c-- cbb cbc cbe cbh cbi ccb ccc cce cch cci ce- ceb cec cee ceh cei ch- chb chc che chh chi ci- cib cic cie cih cii ebb ebc ebe ebh ebi ec- ecb ecc ece ech eci eeb eec eee ehb ehc ehe ehh ehi eib eic eie eii h-i hbb hbc hbe hbh hbi hcb hcc hce hch hci he- heb hec hee heh hei hhb hhc hhe hhh hhi hib hic hie hih hii ibb ibc ibe ibh ibi icb icc ice ich ici ie- iec iee iei ihb ihc ihe ihh ihi iib iic iie iih iii