-ic bbb bbc bbh bbi bbo bcb bcc bch bci bco bcz bhb bhc bhh bhi bho bi- bib bic bih bii bio biz bob boc boh boi boo boz bzh bzo bzz c-- cbb cbc cbh cbi cbo cbz ccb ccc cch cci cco ccz ch- chb chc chh chi cho chz ci- cib cic cih cii cio co- cob coc coh coi coo coz cz- czc czo h-i hbb hbc hbh hbi hbo hbz hcb hcc hch hci hco hhb hhc hhh hhi hho hhz hib hic hih hii hio hob hoc hoh hoi hoo hzo ibb ibc ibh ibi ibo ibz icb icc ich ici ico icz ihb ihc ihh ihi iho iib iic iih iii iio io- iob ioc ioh ioi ioo izh izi izo izz o-i ob- obb obc obh obi obo oc- ocb occ och oci oco ocz ohc ohh ohi oho oib oic oii oio oiz oo- oob ooc ooh ooi ooo ozo ozz zbb zbc zco zhc zhi zho zib zio ziz zo- zob zoc zoi zoo zzz