-ic c-- ccc ccd cch cci cco cdc cdd cdh cdi cdo ch- chc chd chh chi cho ci- cic cid cih cii cio co- coc cod coh coi coo dcc dcd dci dco ddc ddd ddh ddi ddo dh- dhc dhd dhh dhi dho di- dic did dih dii dio doc dod doh doi doo h-i hcc hcd hch hci hco hdc hdd hdh hdi hdo hhc hhd hhh hhi hho hic hid hih hii hio hoc hod hoh hoi hoo i-d icc icd ich ici ico idc idd idh idi ido ihc ihd ihh ihi iho iic iid iih iii iio io- ioc iod ioh ioi ioo o-i oc- occ ocd och oci oco odc odd odh odi odo ohc ohd ohh ohi oho oic oid oii oio oo- ooc ood ooh ooi ooo