-ic c-- ccc cce ccf cch cci cck cco ccp ccs ce- cec cee cef ceh cei cek ceo cep ces cfc cfe cff cfh cfi cfk cfo cfp cfs ch- chc che chf chh chi chk cho chp chs ci- cic cie cif cih cii cik cio cip cis ckc ckh cki cko cks co- coc coe cof coh coi cok coo cop cos cpc cpe cpf cph cpi cpk cpo cpp cps csc cse csf csh csi csk cso csp css ec- ecc ece ecf ech eci eck eco ecs eec eee eef eek eeo eep ees ef- efc efe eff efh efi efo efp efs ehc ehe ehf ehh ehi eho ehp ehs eic eie eif eii eik eio eip eis ekc eke ekf ekh eki eko ekp eks eo- eoc eoe eof eoh eoi eok eoo eop eos ep- epc epe epf eph epi epo epp eps es- esc ese esf esh esi esk eso esp ess fcc fce fcf fci fck fco fcp fcs fec fee fef feh fei fek feo fep fes ffc ffe fff ffh ffi ffk ffo ffp ffs fhc fhe fhf fhh fhi fho fhp fhs fic fie fif fih fii fik fip fis fkc fkf fki fkk fkp foc foe fof foh foi fok foo fop fos fpc fpe fph fpi fpk fpo fpp fps fsc fse fsf fsh fsi fsk fso fsp fss h-i hcc hce hcf hch hci hck hco hcp hcs he- hec hee hef heh hei hek heo hep hes hfc hfe hff hfh hfi hfk hfo hfp hfs hhc hhe hhf hhh hhi hhk hho hhp hhs hic hie hif hih hii hik hio hip his hkf hkh hki hkk hko hkp hks hoc hoe hof hoh hoi hok hoo hop hos hpc hpe hpf hph hpi hpk hpo hpp hps hsc hse hsf hsh hsi hsk hsp hss i-f icc ice icf ich ici ick ico icp ics ie- iec iee ief iei iek iep ies ifc ife iff ifi ifo ifp ifs ihc ihe ihf ihh ihi ihk iho ihp ihs iic iie iif iih iii iio iip iis ikc ike ikf iki ikk iko iks io- ioc ioe iof ioh ioi ioo iop ios ipc ipe ipf ipi ipo ipp ips is- isc ise isf ish isi isk iso isp iss kcc kce kch kci kck kcp kcs ke- kec kee kef keh kei kek keo kep kes kfc kff kfh kfi kfo kfs khe khf khh khi khk kho khs kic kie kif kih kii kik kio kip kis kkc kke kkh kki kkk kkp kks koc koe kof koh koi kok koo kop kos kpc kpe kpf kph kpi kpk kpo kpp kps ksc kse ksf ksh ksi ksk kso ksp kss o-i oc- occ ocf och oci ock oco ocp ocs oec oee oef oeh oei oeo oep oes of- ofc ofe off ofi ofo ofp ofs ohc ohe ohf ohh ohi oho ohp ohs oic oie oif oii oik oio oip ois okc oke oki okk oko okp oks oo- ooc oof ooh ooi ook ooo oop oos op- opc ope opf oph opi opk opo opp ops os- osc ose osf osh osi osk oso osp oss p-p pcc pce pcf pch pci pck pco pcp pcs pec pee pef peh pei pek peo pep pes pfc pfe pff pfi pfk pfo pfp pfs phc phe phf phi phk pho php phs pic pie pif pih pii pik pio pip pis pkc pke pkf pki pko pkp pks poc poe pof poh poi pok poo pop pos ppc ppe ppf pph ppi ppk ppo ppp pps ps- psc pse psf psh psi psk pso psp pss scc sce scf sch sci sck sco scp scs se- sec see sef seh sei sek seo sep ses sfc sfe sff sfh sfi sfk sfo sfp sfs sh- shc she shf shh shi shk sho shp shs sic sie sif sih sii sik sio sip sis sk- skc ske skf skh ski skk sko skp sks soc soe sof soh soi sok soo sop sos spc spe spf sph spi spk spo spp sps ss- ssc sse ssf ssh ssi ssk sso ssp sss