-ic c-- ccc cci cco ccp ccr ccs ccv ci- cic cii cio cip cir cis civ co- coc coi coo cop cor cos cov cpc cpi cpo cpp cpr cps cpv crc cri cro crp crr crs crv csc csi cso csp csr css csv cvc cvi cvo cvp cvr cvs cvv i-v icc ici ico icp icr ics icv iic iii iio iip iir iis io- ioc ioi ioo iop ior ios iov ipc ipi ipo ipp ipr ips ipv ir- irc iri iro irp irr irs irv is- isc isi iso isp isr iss isv ivc ivi ivo ivp ivr ivs ivv o-i oc- occ oci oco ocp ocr ocs ocv oic oii oio oip oir ois oiv oo- ooc ooi ooo oop oor oos oov op- opc opi opo opp opr ops opv or- orc ori oro orp orr ors orv os- osc osi oso osp osr oss osv ov- ovc ovi ovo ovp ovs ovv p-p pcc pci pco pcp pcr pcs pcv pic pii pio pip pir pis piv poc poi poo pop por pos pov ppc ppi ppo ppp ppr pps ppv prc pri pro prp prr prs prv ps- psc psi pso psp psr pss psv pvc pvi pvo pvp pvr pvs pvv rcc rci rco rcp rcr rcs rcv ric rii rio rip rir ris riv roc roi roo rop ror ros rov rpc rpi rpo rpp rpr rps rpv rrc rri rrp rrr rrs rsc rsi rso rsp rsr rss rsv rvc rvi rvo rvp rvr rvs rvv scc sci sco scp scr scs scv sic sii sio sip sir sis siv soc soi soo sop sor sos sov spc spi spo spp spr sps spv sr- src sri sro srp srr srs srv ss- ssc ssi sso ssp ssr sss ssv svc svi svo svp svr svs svv vcc vci vco vcp vcr vcs vi- vic vii vio vip vir vis viv voc voi voo vop vor vos vov vpc vpi vpo vpp vpr vps vrc vri vrp vrr vrs vsc vsi vso vsp vsr vss vsv vvc vvi vvo vvr vvs vvv