-er -ic c-- ccc ccd cce cch cci cck ccn cco ccr ccs cdc cdd cde cdh cdi cdk cdn cdo cdr cds ce- cec ced cee ceh cei cek cen ceo cer ces ch- chc chd che chh chi chk chn cho chr chs ci- cic cid cie cih cii cik cin cio cir cis ckc ckd ckh cki cko cks cn- cnc cnd cne cnh cni cnn cno cnr cns co- coc cod coe coh coi cok con coo cor cos crc crd cre crh cri crk crn cro crr crs csc csd cse csh csi csk csn cso csr css dcc dcd dce dci dck dcn dco dcr dcs ddc ddd dde ddh ddi ddk ddn ddo ddr dds de- dec ded dee deh dei dek den deo der des dh- dhc dhd dhe dhh dhi dhk dho dhr dhs di- dic did die dih dii dik din dio dir dis dkc dke dki dkk dko dkr dks dnc dnd dne dnh dni dnk dnn dno dnr dns doc dod doe doh doi dok don doo dor dos drc drd dre dri drk drn dro drr drs dsc dsd dse dsh dsi dsk dsn dso dsr dss ec- ecc ecd ece ech eci eck ecn eco ecr ecs ed- edc edd ede edh edi edk edn edo edr eds eec eed eee eek een eeo eer ees ehc ehd ehe ehh ehi ehn eho ehr ehs eic eid eie eii eik ein eio eir eis ekc ekd eke ekh eki eko ekr eks en- enc end ene enh eni enk enn eno enr ens eo- eoc eod eoe eoh eoi eok eon eoo eor eos erc erd ere erh eri erk ern ero err ers es- esc esd ese esh esi esk esn eso esr ess h-i hcc hcd hce hch hci hck hcn hco hcr hcs hdc hdd hde hdh hdi hdk hdn hdo hdr hds he- hec hed hee heh hei hek hen heo her hes hhc hhd hhe hhh hhi hhk hhn hho hhr hhs hic hid hie hih hii hik hin hio hir his hkd hkh hki hkk hkn hko hkr hks hnc hnd hne hnh hnk hnn hno hns hoc hod hoe hoh hoi hok hon hoo hor hos hr- hrc hrd hre hrh hri hrk hrn hro hrr hrs hsc hsd hse hsh hsi hsk hsn hsr hss i-d icc icd ice ich ici ick icn ico icr ics idc idd ide idh idi idk idn ido idr ids ie- iec ied iee iei iek ien ier ies ihc ihd ihe ihh ihi ihk ihn iho ihr ihs iic iid iie iih iii iin iio iir iis ikc ike iki ikk iko ikr iks in- inc ind ine inh ini ink inn ino inr ins io- ioc iod ioe ioh ioi ion ioo ior ios ir- irc ird ire iri irk irn iro irr irs is- isc isd ise ish isi isk isn iso isr iss kcc kcd kce kch kci kck kcn kcr kcs kdc kde kdh kdk kdo kdr kds ke- kec ked kee keh kei kek ken keo ker kes khe khh khi khk khn kho khr khs kic kid kie kih kii kik kin kio kir kis kkc kke kkh kki kkk kkn kkr kks kn- knc knd kne kni knk knn kno knr koc kod koe koh koi kok kon koo kor kos krc krd kri krk krn kro krr krs ksc ksd kse ksh ksi ksk ksn kso ksr kss n-i ncc ncd nce nch nci nck ncn nco ncr ncs ndc ndd nde ndh ndi ndk ndn ndo ndr nds ne- nec ned nee neh nei nek nen neo ner nes nhc nhd nhe nhh nhi nhk nhn nhr nhs nic nid nie nih nii nik nin nio nir nis nkc nke nki nkk nkn nko nkr nks nnc nne nnh nni nnk nnn nno nns no- noc nod noe noh noi nok non noo nor nos nrc nrd nre nri nrk nrn nro nrr nrs nsc nsd nse nsh nsi nsk nsn nso nsr nss o-i oc- occ ocd och oci ock ocn oco ocr ocs odc odd ode odh odi odn odo odr ods oec oed oee oeh oei oen oeo oer oes ohc ohd ohe ohh ohi ohn oho ohr ohs oic oid oie oii oik oin oio oir ois okc okd oke oki okk oko okr oks on- onc ond one onh oni onk onn ono onr ons oo- ooc ood ooh ooi ook oon ooo oor oos or- orc ord ore orh ori ork orn oro orr ors os- osc osd ose osh osi osk osn oso osr oss rcc rcd rce rch rci rcn rco rcr rcs rdc rdd rde rdh rdi rdn rdo rdr rds re- rec red ree reh rei rek ren reo rer res rh- rhc rhd rhe rhh rhi rhn rho rhr rhs ric rid rie rih rii rik rin rio rir ris rkc rke rkk rko rks rnc rnd rnh rni rnn rno rnr rns roc rod roe roh roi rok ron roo ror ros rrc rrd rrh rri rrk rrn rrr rrs rsc rsd rse rsh rsi rsk rsn rso rsr rss scc scd sce sch sci sck scn sco scr scs sdc sdd sde sdh sdi sdk sdn sdo sdr sds se- sec sed see seh sei sek sen seo ser ses sh- shc shd she shh shi shk shn sho shr shs sic sid sie sih sii sik sin sio sir sis sk- skc skd ske skh ski skk sko skr sks snc snd sne sni snk snn sno snr sns soc sod soe soh soi sok son soo sor sos sr- src srd sre srh sri srk srn sro srr srs ss- ssc ssd sse ssh ssi ssk ssn sso ssr sss