-ic c-- ccc cce cci cco ccp ccv ce- cec cee cei ceo cep cev ci- cic cie cii cio cip civ co- coc coe coi coo cop cov cpc cpe cpi cpo cpp cpv cvc cve cvi cvo cvp cvv ec- ecc ece eci eco ecv eec eee eeo eep eev eic eie eii eio eip eiv eo- eoc eoe eoi eoo eop ep- epc epe epi epo epp evc eve evi evo evp evv i-v icc ice ici ico icp icv ie- iec iee iei iep iev iic iie iii iio iip io- ioc ioe ioi ioo iop iov ipc ipe ipi ipo ipp ipv ivc ive ivi ivo ivp ivv o-i oc- occ oci oco ocp ocv oec oee oei oeo oep oic oie oii oio oip oiv oo- ooc ooi ooo oop oov op- opc ope opi opo opp opv ov- ovc ove ovi ovo ovp ovv p-p pcc pce pci pco pcp pcv pec pee pei peo pep pev pic pie pii pio pip piv poc poe poi poo pop pov ppc ppe ppi ppo ppp ppv pvc pve pvi pvo pvp pvv v-e vcc vce vci vco vcp vec vee vei veo vep vi- vic vie vii vio vip viv voc voe voi voo vop vov vpc vpe vpi vpo vpp vvc vvi vvo vvv