-ic c-- ccc cci cck cco ccp ccr ccv ci- cic cii cik cio cip cir civ ckc cki cko co- coc coi cok coo cop cor cov cpc cpi cpk cpo cpp cpr cpv crc cri crk cro crp crr crv cvc cvi cvk cvo cvp cvr cvv i-v icc ici ick ico icp icr icv iic iii iio iip iir ikc iki ikk iko ikr ikv io- ioc ioi ioo iop ior iov ipc ipi ipo ipp ipr ipv ir- irc iri irk iro irp irr irv ivc ivi ivo ivp ivr ivv kcc kci kck kcp kcr kic kii kik kio kip kir kiv kkc kki kkk kkp kkr kkv koc koi kok koo kop kor kpc kpi kpk kpo kpp kpr kpv krc kri krk kro krp krr krv kvi kvk kvo kvp kvr kvv o-i oc- occ oci ock oco ocp ocr ocv oic oii oik oio oip oir oiv okc oki okk oko okp okr oo- ooc ooi ook ooo oop oor oov op- opc opi opk opo opp opr opv or- orc ori ork oro orp orr orv ov- ovc ovi ovo ovp ovv p-p pcc pci pck pco pcp pcr pcv pic pii pik pio pip pir piv pkc pki pko pkp pkr poc poi pok poo pop por pov ppc ppi ppk ppo ppp ppr ppv prc pri prk pro prp prr prv pvc pvi pvk pvo pvp pvr pvv rcc rci rco rcp rcr rcv ric rii rik rio rip rir riv rkc rkk rko rkp rkv roc roi rok roo rop ror rov rpc rpi rpk rpo rpp rpr rpv rrc rri rrk rrp rrr rvc rvi rvo rvp rvr rvv vcc vci vco vcp vcr vi- vic vii vik vio vip vir viv vkp voc voi vok voo vop vor vov vpc vpi vpk vpo vpp vpr vrc vri vrk vrp vrr vvc vvi vvo vvr vvv