-ic c-- ccc cci cco ccp ccr ccv ci- cic cii cio cip cir civ co- coc coi coo cop cor cov cpc cpi cpo cpp cpr cpv crc cri cro crp crr crv cvc cvi cvo cvp cvr cvv i-v icc ici ico icp icr icv iic iii iio iip iir io- ioc ioi ioo iop ior iov ipc ipi ipo ipp ipr ipv ir- irc iri iro irp irr irv ivc ivi ivo ivp ivr ivv o-i oc- occ oci oco ocp ocr ocv oic oii oio oip oir oiv oo- ooc ooi ooo oop oor oov op- opc opi opo opp opr opv or- orc ori oro orp orr orv ov- ovc ovi ovo ovp ovv p-p pcc pci pco pcp pcr pcv pic pii pio pip pir piv poc poi poo pop por pov ppc ppi ppo ppp ppr ppv prc pri pro prp prr prv pvc pvi pvo pvp pvr pvv rcc rci rco rcp rcr rcv ric rii rio rip rir riv roc roi roo rop ror rov rpc rpi rpo rpp rpr rpv rrc rri rrp rrr rvc rvi rvo rvp rvr rvv vcc vci vco vcp vcr vi- vic vii vio vip vir viv voc voi voo vop vor vov vpc vpi vpo vpp vpr vrc vri vrp vrr vvc vvi vvo vvr vvv