-ic c-- ccc cce ccf cch cci cck ccn cco ccs ce- cec cee cef ceh cei cek cen ceo ces cfc cfe cff cfh cfi cfk cfn cfo cfs ch- chc che chf chh chi chk chn cho chs ci- cic cie cif cih cii cik cin cio cis ckc ckh cki cko cks cn- cnc cne cnf cnh cni cnn cno cns co- coc coe cof coh coi cok con coo cos csc cse csf csh csi csk csn cso css ec- ecc ece ecf ech eci eck ecn eco ecs eec eee eef eek een eeo ees ef- efc efe eff efh efi efo efs ehc ehe ehf ehh ehi ehn eho ehs eic eie eif eii eik ein eio eis ekc eke ekf ekh eki eko eks en- enc ene enf enh eni enk enn eno ens eo- eoc eoe eof eoh eoi eok eon eoo eos es- esc ese esf esh esi esk esn eso ess fcc fce fcf fci fck fcn fco fcs fec fee fef feh fei fek fen feo fes ffc ffe fff ffh ffi ffk ffn ffo ffs fhc fhe fhf fhh fhi fhn fho fhs fic fie fif fih fii fik fin fis fkc fkf fki fkk fnc fne fnf fnh fni fnk fnn fns foc foe fof foh foi fok fon foo fos fsc fse fsf fsh fsi fsk fsn fso fss h-i hcc hce hcf hch hci hck hcn hco hcs he- hec hee hef heh hei hek hen heo hes hfc hfe hff hfh hfi hfk hfn hfo hfs hhc hhe hhf hhh hhi hhk hhn hho hhs hic hie hif hih hii hik hin hio his hkf hkh hki hkk hkn hko hks hnc hne hnf hnh hnk hnn hno hns hoc hoe hof hoh hoi hok hon hoo hos hsc hse hsf hsh hsi hsk hsn hss i-f icc ice icf ich ici ick icn ico ics ie- iec iee ief iei iek ien ies ifc ife iff ifi ifn ifo ifs ihc ihe ihf ihh ihi ihk ihn iho ihs iic iie iif iih iii iin iio iis ikc ike ikf iki ikk iko iks in- inc ine inf inh ini ink inn ino ins io- ioc ioe iof ioh ioi ion ioo ios is- isc ise isf ish isi isk isn iso iss kcc kce kch kci kck kcn kcs ke- kec kee kef keh kei kek ken keo kes kfc kff kfh kfi kfo kfs khe khf khh khi khk khn kho khs kic kie kif kih kii kik kin kio kis kkc kke kkh kki kkk kkn kks kn- knc kne knf kni knk knn kno koc koe kof koh koi kok kon koo kos ksc kse ksf ksh ksi ksk ksn kso kss n-i ncc nce ncf nch nci nck ncn nco ncs ne- nec nee nef neh nei nek nen neo nes nfc nfe nff nfi nfk nfn nfo nfs nhc nhe nhf nhh nhi nhk nhn nhs nic nie nif nih nii nik nin nio nis nkc nke nkf nki nkk nkn nko nks nnc nne nnf nnh nni nnk nnn nno nns no- noc noe nof noh noi nok non noo nos nsc nse nsf nsh nsi nsk nsn nso nss o-i oc- occ ocf och oci ock ocn oco ocs oec oee oef oeh oei oen oeo oes of- ofc ofe off ofi ofn ofo ofs ohc ohe ohf ohh ohi ohn oho ohs oic oie oif oii oik oin oio ois okc oke oki okk oko oks on- onc one onf onh oni onk onn ono ons oo- ooc oof ooh ooi ook oon ooo oos os- osc ose osf osh osi osk osn oso oss scc sce scf sch sci sck scn sco scs se- sec see sef seh sei sek sen seo ses sfc sfe sff sfh sfi sfk sfn sfo sfs sh- shc she shf shh shi shk shn sho shs sic sie sif sih sii sik sin sio sis sk- skc ske skf skh ski skk sko sks snc sne snf sni snk snn sno sns soc soe sof soh soi sok son soo sos ss- ssc sse ssf ssh ssi ssk ssn sso sss