-ic bbb bbc bbe bbh bbi bcb bcc bce bch bci bcz be- beb bec bee beh bei bez bhb bhc bhe bhh bhi bi- bib bic bie bih bii biz bze bzh bzz c-- cbb cbc cbe cbh cbi cbz ccb ccc cce cch cci ccz ce- ceb cec cee ceh cei cez ch- chb chc che chh chi chz ci- cib cic cie cih cii cz- czc cze ebb ebc ebe ebh ebi ec- ecb ecc ece ech eci eeb eec eee ehb ehc ehe ehh ehi eib eic eie eii eze ezh ezz h-i hbb hbc hbe hbh hbi hbz hcb hcc hce hch hci he- heb hec hee heh hei hez hhb hhc hhe hhh hhi hhz hib hic hie hih hii hze ibb ibc ibe ibh ibi ibz icb icc ice ich ici icz ie- iec iee iei ihb ihc ihe ihh ihi iib iic iie iih iii ize izh izi izz zbb zbc zce zeb zec zee zeh zez zhc zhe zhi zib zie ziz zzz