-ic c-- ccc cch cci cck cco ccp ccr ccs ch- chc chh chi chk cho chp chr chs ci- cic cih cii cik cio cip cir cis ckc ckh cki cko cks co- coc coh coi cok coo cop cor cos cpc cph cpi cpk cpo cpp cpr cps crc crh cri crk cro crp crr crs csc csh csi csk cso csp csr css h-i hcc hch hci hck hco hcp hcr hcs hhc hhh hhi hhk hho hhp hhr hhs hic hih hii hik hio hip hir his hkh hki hkk hko hkp hkr hks hoc hoh hoi hok hoo hop hor hos hpc hph hpi hpk hpo hpp hpr hps hr- hrc hrh hri hrk hro hrp hrr hrs hsc hsh hsi hsk hsp hsr hss icc ich ici ick ico icp icr ics ihc ihh ihi ihk iho ihp ihr ihs iic iih iii iio iip iir iis ikc iki ikk iko ikr iks io- ioc ioh ioi ioo iop ior ios ipc ipi ipo ipp ipr ips ir- irc iri irk iro irp irr irs is- isc ish isi isk iso isp isr iss kcc kch kci kck kcp kcr kcs khh khi khk kho khr khs kic kih kii kik kio kip kir kis kkc kkh kki kkk kkp kkr kks koc koh koi kok koo kop kor kos kpc kph kpi kpk kpo kpp kpr kps krc kri krk kro krp krr krs ksc ksh ksi ksk kso ksp ksr kss o-i oc- occ och oci ock oco ocp ocr ocs ohc ohh ohi oho ohp ohr ohs oic oii oik oio oip oir ois okc oki okk oko okp okr oks oo- ooc ooh ooi ook ooo oop oor oos op- opc oph opi opk opo opp opr ops or- orc orh ori ork oro orp orr ors os- osc osh osi osk oso osp osr oss p-p pcc pch pci pck pco pcp pcr pcs phc phi phk pho php phr phs pic pih pii pik pio pip pir pis pkc pki pko pkp pkr pks poc poh poi pok poo pop por pos ppc pph ppi ppk ppo ppp ppr pps prc prh pri prk pro prp prr prs ps- psc psh psi psk pso psp psr pss rcc rch rci rco rcp rcr rcs rh- rhc rhh rhi rho rhp rhr rhs ric rih rii rik rio rip rir ris rkc rkk rko rkp rks roc roh roi rok roo rop ror ros rpc rph rpi rpk rpo rpp rpr rps rrc rrh rri rrk rrp rrr rrs rsc rsh rsi rsk rso rsp rsr rss scc sch sci sck sco scp scr scs sh- shc shh shi shk sho shp shr shs sic sih sii sik sio sip sir sis sk- skc skh ski skk sko skp skr sks soc soh soi sok soo sop sor sos spc sph spi spk spo spp spr sps sr- src srh sri srk sro srp srr srs ss- ssc ssh ssi ssk sso ssp ssr sss