-ic c-- ccc ccf cch cci cco ccs cfc cff cfh cfi cfo cfs ch- chc chf chh chi cho chs ci- cic cif cih cii cio cis co- coc cof coh coi coo cos csc csf csh csi cso css fcc fcf fci fco fcs ffc fff ffh ffi ffo ffs fhc fhf fhh fhi fho fhs fic fif fih fii fis foc fof foh foi foo fos fsc fsf fsh fsi fso fss h-i hcc hcf hch hci hco hcs hfc hff hfh hfi hfo hfs hhc hhf hhh hhi hho hhs hic hif hih hii hio his hoc hof hoh hoi hoo hos hsc hsf hsh hsi hss i-f icc icf ich ici ico ics ifc iff ifi ifo ifs ihc ihf ihh ihi iho ihs iic iif iih iii iio iis io- ioc iof ioh ioi ioo ios is- isc isf ish isi iso iss o-i oc- occ ocf och oci oco ocs of- ofc off ofi ofo ofs ohc ohf ohh ohi oho ohs oic oif oii oio ois oo- ooc oof ooh ooi ooo oos os- osc osf osh osi oso oss scc scf sch sci sco scs sfc sff sfh sfi sfo sfs sh- shc shf shh shi sho shs sic sif sih sii sio sis soc sof soh soi soo sos ss- ssc ssf ssh ssi sso sss