-ic bbb bbc bbe bbh bbi bbo bcb bcc bce bch bci bco bcz be- beb bec bee beh bei beo bez bhb bhc bhe bhh bhi bho bi- bib bic bie bih bii bio biz bob boc boe boh boi boo boz bze bzh bzo bzz c-- cbb cbc cbe cbh cbi cbo cbz ccb ccc cce cch cci cco ccz ce- ceb cec cee ceh cei ceo cez ch- chb chc che chh chi cho chz ci- cib cic cie cih cii cio co- cob coc coe coh coi coo coz cz- czc cze czo ebb ebc ebe ebh ebi ebo ec- ecb ecc ece ech eci eco eeb eec eee eeo ehb ehc ehe ehh ehi eho eib eic eie eii eio eo- eob eoc eoe eoh eoi eoo eze ezh ezo ezz h-i hbb hbc hbe hbh hbi hbo hbz hcb hcc hce hch hci hco he- heb hec hee heh hei heo hez hhb hhc hhe hhh hhi hho hhz hib hic hie hih hii hio hob hoc hoe hoh hoi hoo hze hzo ibb ibc ibe ibh ibi ibo ibz icb icc ice ich ici ico icz ie- iec iee iei ihb ihc ihe ihh ihi iho iib iic iie iih iii iio io- iob ioc ioe ioh ioi ioo ize izh izi izo izz o-i ob- obb obc obe obh obi obo oc- ocb occ och oci oco ocz oeb oec oee oeh oei oeo ohc ohe ohh ohi oho oib oic oie oii oio oiz oo- oob ooc ooh ooi ooo oze ozo ozz zbb zbc zce zco zeb zec zee zeh zeo zez zhc zhe zhi zho zib zie zio ziz zo- zob zoc zoe zoi zoo zzz