-ic c-- ccc cch cci cco ccp ccs ch- chc chh chi cho chp chs ci- cic cih cii cio cip cis co- coc coh coi coo cop cos cpc cph cpi cpo cpp cps csc csh csi cso csp css h-i hcc hch hci hco hcp hcs hhc hhh hhi hho hhp hhs hic hih hii hio hip his hoc hoh hoi hoo hop hos hpc hph hpi hpo hpp hps hsc hsh hsi hsp hss icc ich ici ico icp ics ihc ihh ihi iho ihp ihs iic iih iii iio iip iis io- ioc ioh ioi ioo iop ios ipc ipi ipo ipp ips is- isc ish isi iso isp iss o-i oc- occ och oci oco ocp ocs ohc ohh ohi oho ohp ohs oic oii oio oip ois oo- ooc ooh ooi ooo oop oos op- opc oph opi opo opp ops os- osc osh osi oso osp oss p-p pcc pch pci pco pcp pcs phc phi pho php phs pic pih pii pio pip pis poc poh poi poo pop pos ppc pph ppi ppo ppp pps ps- psc psh psi pso psp pss scc sch sci sco scp scs sh- shc shh shi sho shp shs sic sih sii sio sip sis soc soh soi soo sop sos spc sph spi spo spp sps ss- ssc ssh ssi sso ssp sss