c-- ccc cch cck cco ccp ccr ccv ch- chc chh chk cho chp chr chv chy ckc ckh cko cky co- coc coh cok coo cop cor cov coy cpc cph cpk cpo cpp cpr cpv crc crh crk cro crp crr crv cry cvc cvh cvk cvo cvp cvr cvv cyc cyk cyo cyp cyr hcc hch hck hco hcp hcr hcv hcy hhc hhh hhk hho hhp hhr hhv hhy hkh hkk hko hkp hkr hoc hoh hok hoo hop hor hov hoy hpc hph hpk hpo hpp hpr hpv hpy hr- hrc hrh hrk hro hrp hrr hrv hv- hvc hvk hvo hvp hvr hvv hvy hy- hyc hyh hyo hyp hyr hyv hyy kcc kch kck kcp kcr khh khk kho khr khv kkc kkh kkk kkp kkr kkv kky koc koh kok koo kop kor koy kpc kph kpk kpo kpp kpr kpv krc krk kro krp krr krv kry kvh kvk kvo kvp kvr kvv kyc kyo kyp kyr oc- occ och ock oco ocp ocr ocv ohc ohh oho ohp ohr okc okk oko okp okr oo- ooc ooh ook ooo oop oor oov op- opc oph opk opo opp opr opv opy or- orc orh ork oro orp orr orv ory ov- ovc ovh ovo ovp ovv oyo p-p pcc pch pck pco pcp pcr pcv phc phk pho php phr phv phy pkc pko pkp pkr pky poc poh pok poo pop por pov poy ppc pph ppk ppo ppp ppr ppv prc prh prk pro prp prr prv pry pvc pvh pvk pvo pvp pvr pvv py- pyc pyk pyo pyr rcc rch rco rcp rcr rcv rh- rhc rhh rho rhp rhr rhv rkc rkk rko rkp rkv rky roc roh rok roo rop ror rov roy rpc rph rpk rpo rpp rpr rpv rrc rrh rrk rrp rrr rvc rvh rvo rvp rvr rvv rvy ry- ryc ryk ryo ryr ryy vcc vch vco vcp vcr vcy vh- vhc vho vhp vkp voc voh vok voo vop vor vov voy vpc vph vpk vpo vpp vpr vrc vrh vrk vrp vrr vry vvc vvo vvr vvv vyp ycc ych yco ycp ycv ycy yhc ykk yoc yok yoo yop yor yoy ypo yrc yro yrp yvo yvr yvy yyc yyy