-ic b-p bbb bbc bbh bbi bbo bbp bcb bcc bch bci bco bcp bhb bhc bhh bhi bho bhp bi- bib bic bih bii bio bip bob boc boh boi boo bop bpb bpc bph bpi bpo bpp c-- cbb cbc cbh cbi cbo cbp ccb ccc cch cci cco ccp ch- chb chc chh chi cho chp ci- cib cic cih cii cio cip co- cob coc coh coi coo cop cpb cpc cph cpi cpo cpp h-i hbb hbc hbh hbi hbo hbp hcb hcc hch hci hco hcp hhb hhc hhh hhi hho hhp hib hic hih hii hio hip hob hoc hoh hoi hoo hop hpb hpc hph hpi hpo hpp ibb ibc ibh ibi ibo ibp icb icc ich ici ico icp ihb ihc ihh ihi iho ihp iib iic iih iii iio iip io- iob ioc ioh ioi ioo iop ipb ipc ipi ipo ipp o-i ob- obb obc obh obi obo obp oc- ocb occ och oci oco ocp ohc ohh ohi oho ohp oib oic oii oio oip oo- oob ooc ooh ooi ooo oop op- opb opc oph opi opo opp p-p pbb pbc pbi pbo pbp pcb pcc pch pci pco pcp phb phc phi pho php pib pic pih pii pio pip pob poc poh poi poo pop ppb ppc pph ppi ppo ppp