-er -ic c-- ccc cce ccg cch cci cck ccn cco ccr ccs ce- cec cee ceg ceh cei cek cen ceo cer ces cgc cge cgg cgh cgi cgn cgo cgr cgs ch- chc che chg chh chi chk chn cho chr chs ci- cic cie cig cih cii cik cin cio cir cis ckc ckh cki cko cks cn- cnc cne cng cnh cni cnn cno cnr cns co- coc coe cog coh coi cok con coo cor cos crc cre crg crh cri crk crn cro crr crs csc cse csg csh csi csk csn cso csr css ec- ecc ece ecg ech eci eck ecn eco ecr ecs eec eee eeg eek een eeo eer ees egc ege egg egh egi egn ego egr egs ehc ehe ehg ehh ehi ehn eho ehr ehs eic eie eig eii eik ein eio eir eis ekc eke ekg ekh eki eko ekr eks en- enc ene eng enh eni enk enn eno enr ens eo- eoc eoe eog eoh eoi eok eon eoo eor eos erc ere erg erh eri erk ern ero err ers es- esc ese esg esh esi esk esn eso esr ess gcc gce gcg gch gci gck gcn gco gcr gcs ge- gec gee geg geh gei gek gen geo ger ges ggc ggg ggh ggi ggn ggo ggr ggs ghc ghe ghg ghh ghi ghn gho ghr ghs gic gie gig gih gii gik gin gio gir gis gkh gkn gko gks gnc gne gni gnn gno gnr gns goc goe gog goh goi gok gon goo gor gos grc gre grg grh gri grk grn gro grr grs gsc gse gsg gsi gsk gsn gso gsr gss h-i hcc hce hcg hch hci hck hcn hco hcr hcs he- hec hee heg heh hei hek hen heo her hes hgc hge hgg hgh hgi hgk hgn hgo hgr hgs hhc hhe hhg hhh hhi hhk hhn hho hhr hhs hic hie hig hih hii hik hin hio hir his hkg hkh hki hkk hkn hko hkr hks hnc hne hng hnh hnk hnn hno hns hoc hoe hog hoh hoi hok hon hoo hor hos hr- hrc hre hrg hrh hri hrk hrn hro hrr hrs hsc hse hsg hsh hsi hsk hsn hsr hss icc ice icg ich ici ick icn ico icr ics ie- iec iee ieg iei iek ien ier ies igc ige igg igh igi igk ign igo igr igs ihc ihe ihg ihh ihi ihk ihn iho ihr ihs iic iie iih iii iin iio iir iis ikc ike iki ikk iko ikr iks in- inc ine ing inh ini ink inn ino inr ins io- ioc ioe iog ioh ioi ion ioo ior ios ir- irc ire irg iri irk irn iro irr irs is- isc ise isg ish isi isk isn iso isr iss kcc kce kcg kch kci kck kcn kcr kcs ke- kec kee keg keh kei kek ken keo ker kes kgc kgh kgi kgo kgs khe khh khi khk khn kho khr khs kic kie kig kih kii kik kin kio kir kis kkc kke kkh kki kkk kkn kkr kks kn- knc kne kng kni knk knn kno knr koc koe kog koh koi kok kon koo kor kos krc krg kri krk krn kro krr krs ksc kse ksg ksh ksi ksk ksn kso ksr kss n-i ncc nce ncg nch nci nck ncn nco ncr ncs ne- nec nee neg neh nei nek nen neo ner nes ngc nge ngg ngh ngi ngk ngn ngo ngs nhc nhe nhg nhh nhi nhk nhn nhr nhs nic nie nig nih nii nik nin nio nir nis nkc nke nki nkk nkn nko nkr nks nnc nne nng nnh nni nnk nnn nno nns no- noc noe nog noh noi nok non noo nor nos nrc nre nrg nri nrk nrn nro nrr nrs nsc nse nsg nsh nsi nsk nsn nso nsr nss o-i oc- occ ocg och oci ock ocn oco ocr ocs oec oee oeg oeh oei oen oeo oer oes ogc oge ogg ogh ogi ogn ogo ogs ohc ohe ohg ohh ohi ohn oho ohr ohs oic oie oii oik oin oio oir ois okc oke okg oki okk oko okr oks on- onc one ong onh oni onk onn ono onr ons oo- ooc oog ooh ooi ook oon ooo oor oos or- orc ore org orh ori ork orn oro orr ors os- osc ose osg osh osi osk osn oso osr oss rcc rce rcg rch rci rcn rco rcr rcs re- rec ree reg reh rei rek ren reo rer res rgc rge rgg rgh rgi rgk rgn rgo rgr rgs rh- rhc rhe rhg rhh rhi rhn rho rhr rhs ric rie rig rih rii rik rin rio rir ris rkc rke rkg rkk rko rks rnc rng rnh rni rnn rno rnr rns roc roe rog roh roi rok ron roo ror ros rrc rrg rrh rri rrk rrn rrr rrs rsc rse rsg rsh rsi rsk rsn rso rsr rss scc sce scg sch sci sck scn sco scr scs se- sec see seg seh sei sek sen seo ser ses sgc sge sgg sgh sgi sgk sgn sgo sgr sgs sh- shc she shg shh shi shk shn sho shr shs sic sie sig sih sii sik sin sio sir sis sk- skc ske skg skh ski skk sko skr sks snc sne sng sni snk snn sno snr sns soc soe sog soh soi sok son soo sor sos sr- src sre srg srh sri srk srn sro srr srs ss- ssc sse ssg ssh ssi ssk ssn sso ssr sss