-ic c-- ccc ccd cci cco ccp ccr ccv cdc cdd cdi cdo cdp cdr cdv ci- cic cid cii cio cip cir civ co- coc cod coi coo cop cor cov cpc cpd cpi cpo cpp cpr cpv crc crd cri cro crp crr crv cvc cvd cvi cvo cvp cvr cvv dcc dcd dci dco dcp dcr dcv ddc ddd ddi ddo ddp ddr di- dic did dii dio dip dir div doc dod doi doo dop dor dov dpc dpd dpi dpo dpp dpr dpv drc drd dri dro drp drr drv dvc dvd dvi dvp dvr i-d i-v icc icd ici ico icp icr icv idc idd idi ido idp idr idv iic iid iii iio iip iir io- ioc iod ioi ioo iop ior iov ipc ipd ipi ipo ipp ipr ipv ir- irc ird iri iro irp irr irv ivc ivd ivi ivo ivp ivr ivv o-i oc- occ ocd oci oco ocp ocr ocv odc odd odi odo odp odr odv oic oid oii oio oip oir oiv oo- ooc ood ooi ooo oop oor oov op- opc opd opi opo opp opr opv or- orc ord ori oro orp orr orv ov- ovc ovd ovi ovo ovp ovv p-p pcc pcd pci pco pcp pcr pcv pdc pdd pdi pdo pdp pdr pdv pic pid pii pio pip pir piv poc pod poi poo pop por pov ppc ppd ppi ppo ppp ppr ppv prc prd pri pro prp prr prv pvc pvd pvi pvo pvp pvr pvv rcc rcd rci rco rcp rcr rcv rdc rdd rdi rdo rdp rdr rdv ric rid rii rio rip rir riv roc rod roi roo rop ror rov rpc rpd rpi rpo rpp rpr rpv rrc rrd rri rrp rrr rvc rvd rvi rvo rvp rvr rvv vcc vcd vci vco vcp vcr vdc vdd vdi vdo vdp vdr vdv vi- vic vid vii vio vip vir viv voc vod voi voo vop vor vov vpc vpd vpi vpo vpp vpr vrc vrd vri vrp vrr vvc vvi vvo vvr vvv