-ic bbb bbc bbe bbf bbh bbi bcb bcc bce bcf bch bci be- beb bec bee bef beh bei bfb bfc bfe bff bfh bfi bhb bhc bhe bhf bhh bhi bi- bib bic bie bif bih bii c-- cbb cbc cbe cbf cbh cbi ccb ccc cce ccf cch cci ce- ceb cec cee cef ceh cei cfb cfc cfe cff cfh cfi ch- chb chc che chf chh chi ci- cib cic cie cif cih cii ebb ebc ebe ebf ebh ebi ec- ecb ecc ece ecf ech eci eeb eec eee eef ef- efb efc efe eff efh efi ehb ehc ehe ehf ehh ehi eib eic eie eif eii fbb fbc fbe fbf fbh fbi fcb fcc fce fcf fci feb fec fee fef feh fei ffc ffe fff ffh ffi fhb fhc fhe fhf fhh fhi fib fic fie fif fih fii h-i hbb hbc hbe hbf hbh hbi hcb hcc hce hcf hch hci he- heb hec hee hef heh hei hfb hfc hfe hff hfh hfi hhb hhc hhe hhf hhh hhi hib hic hie hif hih hii i-f ibb ibc ibe ibf ibh ibi icb icc ice icf ich ici ie- iec iee ief iei ifb ifc ife iff ifi ihb ihc ihe ihf ihh ihi iib iic iie iif iih iii