-ic c-- ccc cci cco ccp ccr cct ccv ci- cic cii cio cip cir cit civ co- coc coi coo cop cor cot cov cpc cpi cpo cpp cpr cpt cpv crc cri cro crp crr crt crv ctc cti cto ctp ctr ctt ctv cvc cvi cvo cvp cvr cvt cvv i-v icc ici ico icp icr ict icv iic iii iio iip iir iit io- ioc ioi ioo iop ior iot iov ipc ipi ipo ipp ipr ipt ipv ir- irc iri iro irp irr irt irv itc iti ito itp itt itv ivc ivi ivo ivp ivr ivt ivv o-i oc- occ oci oco ocp ocr oct ocv oic oii oio oip oir oit oiv oo- ooc ooi ooo oop oor oot oov op- opc opi opo opp opr opt opv or- orc ori oro orp orr ort orv ot- otc oti oto otp otr ott otv ov- ovc ovi ovo ovp ovv p-p pcc pci pco pcp pcr pct pcv pic pii pio pip pir pit piv poc poi poo pop por pot pov ppc ppi ppo ppp ppr ppt ppv prc pri pro prp prr prt prv pt- ptc pti pto ptp ptr ptt ptv pvc pvi pvo pvp pvr pvt pvv rcc rci rco rcp rcr rct rcv ric rii rio rip rir rit riv roc roi roo rop ror rot rov rpc rpi rpo rpp rpr rpt rpv rrc rri rrp rrr rrt rtc rti rto rtp rtr rtt rtv rvc rvi rvo rvp rvr rvt rvv tcc tci tco tcp tcr tct tcv tic tii tio tip tir tit tiv to- toc toi too top tor tot tov tpc tpi tpo tpp tpr tpt tpv trc tri tro trp trr trt trv ttc tti tto ttp ttr ttt ttv tvc tvi tvo tvp tvr tvt vcc vci vco vcp vcr vct vi- vic vii vio vip vir vit viv voc voi voo vop vor vot vov vpc vpi vpo vpp vpr vpt vrc vri vrp vrr vrt vtc vti vto vtr vtt vtv vvc vvi vvo vvr vvt vvv