-ic c-- ccc ccg cci cco ccp ccr ccs cgc cgg cgi cgo cgp cgr cgs ci- cic cig cii cio cip cir cis co- coc cog coi coo cop cor cos cpc cpg cpi cpo cpp cpr cps crc crg cri cro crp crr crs csc csg csi cso csp csr css g-p gcc gcg gci gco gcp gcr gcs ggc ggg ggi ggo ggp ggr ggs gic gig gii gio gip gir gis goc gog goi goo gop gor gos gpc gpg gpi gpo gpp gpr gps grc grg gri gro grp grr grs gsc gsg gsi gso gsp gsr gss icc icg ici ico icp icr ics igc igg igi igo igp igr igs iic iii iio iip iir iis io- ioc iog ioi ioo iop ior ios ipc ipg ipi ipo ipp ipr ips ir- irc irg iri iro irp irr irs is- isc isg isi iso isp isr iss o-i oc- occ ocg oci oco ocp ocr ocs ogc ogg ogi ogo ogp ogs oic oii oio oip oir ois oo- ooc oog ooi ooo oop oor oos op- opc opg opi opo opp opr ops or- orc org ori oro orp orr ors os- osc osg osi oso osp osr oss p-p pcc pcg pci pco pcp pcr pcs pgc pgg pgi pgo pgp pgr pgs pic pig pii pio pip pir pis poc pog poi poo pop por pos ppc ppg ppi ppo ppp ppr pps prc prg pri pro prp prr prs ps- psc psg psi pso psp psr pss rcc rcg rci rco rcp rcr rcs rgc rgg rgi rgo rgp rgr rgs ric rig rii rio rip rir ris roc rog roi roo rop ror ros rpc rpg rpi rpo rpp rpr rps rrc rrg rri rrp rrr rrs rsc rsg rsi rso rsp rsr rss scc scg sci sco scp scr scs sgc sgg sgi sgo sgp sgr sgs sic sig sii sio sip sir sis soc sog soi soo sop sor sos spc spg spi spo spp spr sps sr- src srg sri sro srp srr srs ss- ssc ssg ssi sso ssp ssr sss