-er -ic c-- ccc cce cch cci ccn ccr ccx ce- cec cee ceh cei cen cer cex ch- chc che chh chi chn chr chx ci- cic cie cih cii cin cir cix cn- cnc cne cnh cni cnn cnr cnx crc cre crh cri crn crr crx cxc cxh cxi cxr cxx ec- ecc ece ech eci ecn ecr ecx eec eee een eer eex ehc ehe ehh ehi ehn ehr eic eie eii ein eir eix en- enc ene enh eni enn enr erc ere erh eri ern err ex- exc exe exh exi exr exx h-i hcc hce hch hci hcn hcr he- hec hee heh hei hen her hex hhc hhe hhh hhi hhn hhr hic hie hih hii hin hir hix hnc hne hnh hnn hr- hrc hre hrh hri hrn hrr hxc icc ice ich ici icn icr ie- iec iee iei ien ier iex ihc ihe ihh ihi ihn ihr iic iie iih iii iin iir iix in- inc ine inh ini inn inr inx ir- irc ire iri irn irr irx ixc ixe ixi ixn n-i ncc nce nch nci ncn ncr ncx ne- nec nee neh nei nen ner nex nhc nhe nhh nhi nhn nhr nic nie nih nii nin nir nix nnc nne nnh nni nnn nrc nre nri nrn nrr nrx nxc rcc rce rch rci rcn rcr rcx re- rec ree reh rei ren rer rex rh- rhc rhe rhh rhi rhn rhr ric rie rih rii rin rir rix rnc rnh rni rnn rnr rrc rrh rri rrn rrr rxr xch xci xcr xcx xee xen xer xex xic xie xii xin xix xnc xrc xrx xxi xxx