-er -ic c-- ccc ccd cce cch cci cck ccl ccn ccr cdc cdd cde cdh cdi cdk cdl cdn cdr ce- cec ced cee ceh cei cek cel cen cer ch- chc chd che chh chi chk chl chn chr ci- cic cid cie cih cii cik cil cin cir ckc ckd ckh cki cl- clc cld cle clh cli clk cll cln clr cn- cnc cnd cne cnh cni cnl cnn cnr crc crd cre crh cri crk crl crn crr dcc dcd dce dci dck dcl dcn dcr ddc ddd dde ddh ddi ddk ddl ddn ddr de- dec ded dee deh dei dek del den der dh- dhc dhd dhe dhh dhi dhk dhl dhr di- dic did die dih dii dik dil din dir dkc dke dki dkk dkl dkr dl- dlc dld dle dlh dli dlk dll dlr dnc dnd dne dnh dni dnk dnl dnn dnr drc drd dre dri drk drl drn drr ec- ecc ecd ece ech eci eck ecl ecn ecr ed- edc edd ede edh edi edk edl edn edr eec eed eee eek eel een eer ehc ehd ehe ehh ehi ehl ehn ehr eic eid eie eii eik eil ein eir ekc ekd eke ekh eki ekl ekr elc eld ele elh eli elk ell eln elr en- enc end ene enh eni enk enl enn enr erc erd ere erh eri erk erl ern err h-i hcc hcd hce hch hci hck hcl hcn hcr hdc hdd hde hdh hdi hdk hdl hdn hdr he- hec hed hee heh hei hek hel hen her hhc hhd hhe hhh hhi hhk hhl hhn hhr hic hid hie hih hii hik hil hin hir hkd hkh hki hkk hkl hkn hkr hlc hld hle hlh hli hll hln hlr hnc hnd hne hnh hnk hnl hnn hr- hrc hrd hre hrh hri hrk hrl hrn hrr i-d icc icd ice ich ici ick icl icn icr idc idd ide idh idi idk idl idn idr ie- iec ied iee iei iek iel ien ier ihc ihd ihe ihh ihi ihk ihl ihn ihr iic iid iie iih iii iil iin iir ikc ike iki ikk ikl ikr il- ilc ild ile ilh ili ilk ill iln ilr in- inc ind ine inh ini ink inl inn inr ir- irc ird ire iri irk irl irn irr kcc kcd kce kch kci kck kcl kcn kcr kdc kde kdh kdk kdl kdr ke- kec ked kee keh kei kek kel ken ker khe khh khi khk khn khr kic kid kie kih kii kik kil kin kir kkc kke kkh kki kkk kkl kkn kkr kl- klc kld klh kli klr kn- knc knd kne kni knk knl knn knr krc krd kri krk krl krn krr lcc lcd lce lch lci lck lcl lcn lcr ldc ldd lde ldh ldi ldk ldl ldn ldr lec led lee leh lei lek lel len ler lhc lhd lhh lhi lhk lhr lic lid lie lih lii lik lil lin lir lkh lkl lkr llc lld lle lli llk lll lln llr lnc lnd lne lnh lni lnk lnl lnn lnr lrc lrd lrh lri lrk lrn lrr n-i ncc ncd nce nch nci nck ncl ncn ncr ndc ndd nde ndh ndi ndk ndl ndn ndr ne- nec ned nee neh nei nek nel nen ner nhc nhd nhe nhh nhi nhk nhl nhn nhr nic nid nie nih nii nik nil nin nir nkc nke nki nkk nkn nkr nlc nld nle nlh nli nlk nll nln nlr nnc nne nnh nni nnk nnl nnn nrc nrd nre nri nrk nrl nrn nrr rcc rcd rce rch rci rcl rcn rcr rdc rdd rde rdh rdi rdl rdn rdr re- rec red ree reh rei rek rel ren rer rh- rhc rhd rhe rhh rhi rhl rhn rhr ric rid rie rih rii rik ril rin rir rkc rke rkk rlc rld rle rlh rli rll rln rlr rnc rnd rnh rni rnn rnr rrc rrd rrh rri rrk rrl rrn rrr