-ic c-- ccc cce cci cck cco ccp ccv ce- cec cee cei cek ceo cep cev ci- cic cie cii cik cio cip civ ckc cki cko co- coc coe coi cok coo cop cov cpc cpe cpi cpk cpo cpp cpv cvc cve cvi cvk cvo cvp cvv ec- ecc ece eci eck eco ecv eec eee eek eeo eep eev eic eie eii eik eio eip eiv ekc eke eki eko ekp ekv eo- eoc eoe eoi eok eoo eop ep- epc epe epi epo epp evc eve evi evo evp evv i-v icc ice ici ick ico icp icv ie- iec iee iei iek iep iev iic iie iii iio iip ikc ike iki ikk iko ikv io- ioc ioe ioi ioo iop iov ipc ipe ipi ipo ipp ipv ivc ive ivi ivo ivp ivv kcc kce kci kck kcp ke- kec kee kei kek keo kep kev kic kie kii kik kio kip kiv kkc kke kki kkk kkp kkv koc koe koi kok koo kop kpc kpe kpi kpk kpo kpp kpv kvi kvk kvo kvp kvv o-i oc- occ oci ock oco ocp ocv oec oee oei oeo oep oic oie oii oik oio oip oiv okc oke oki okk oko okp oo- ooc ooi ook ooo oop oov op- opc ope opi opk opo opp opv ov- ovc ove ovi ovo ovp ovv p-p pcc pce pci pck pco pcp pcv pec pee pei pek peo pep pev pic pie pii pik pio pip piv pkc pke pki pko pkp poc poe poi pok poo pop pov ppc ppe ppi ppk ppo ppp ppv pvc pve pvi pvk pvo pvp pvv v-e vcc vce vci vco vcp vec vee vei vek veo vep vi- vic vie vii vik vio vip viv vkp voc voe voi vok voo vop vov vpc vpe vpi vpk vpo vpp vvc vvi vvo vvv