-ic c-- ccc ccg cci cco ccp ccs cgc cgg cgi cgo cgp cgs ci- cic cig cii cio cip cis co- coc cog coi coo cop cos cpc cpg cpi cpo cpp cps csc csg csi cso csp css g-p gcc gcg gci gco gcp gcs ggc ggg ggi ggo ggp ggs gic gig gii gio gip gis goc gog goi goo gop gos gpc gpg gpi gpo gpp gps gsc gsg gsi gso gsp gss icc icg ici ico icp ics igc igg igi igo igp igs iic iii iio iip iis io- ioc iog ioi ioo iop ios ipc ipg ipi ipo ipp ips is- isc isg isi iso isp iss o-i oc- occ ocg oci oco ocp ocs ogc ogg ogi ogo ogp ogs oic oii oio oip ois oo- ooc oog ooi ooo oop oos op- opc opg opi opo opp ops os- osc osg osi oso osp oss p-p pcc pcg pci pco pcp pcs pgc pgg pgi pgo pgp pgs pic pig pii pio pip pis poc pog poi poo pop pos ppc ppg ppi ppo ppp pps ps- psc psg psi pso psp pss scc scg sci sco scp scs sgc sgg sgi sgo sgp sgs sic sig sii sio sip sis soc sog soi soo sop sos spc spg spi spo spp sps ss- ssc ssg ssi sso ssp sss