-er -ic c-- ccc cce cch cci ccn ccp ccr ce- cec cee ceh cei cen cep cer ch- chc che chh chi chn chp chr ci- cic cie cih cii cin cip cir cn- cnc cne cnh cni cnn cnp cnr cpc cpe cph cpi cpn cpp cpr crc cre crh cri crn crp crr ec- ecc ece ech eci ecn ecr eec eee een eep eer ehc ehe ehh ehi ehn ehp ehr eic eie eii ein eip eir en- enc ene enh eni enn enp enr ep- epc epe eph epi epn epp epr erc ere erh eri ern erp err h-i hcc hce hch hci hcn hcp hcr he- hec hee heh hei hen hep her hhc hhe hhh hhi hhn hhp hhr hic hie hih hii hin hip hir hnc hne hnh hnn hpc hpe hph hpi hpn hpp hpr hr- hrc hre hrh hri hrn hrp hrr icc ice ich ici icn icp icr ie- iec iee iei ien iep ier ihc ihe ihh ihi ihn ihp ihr iic iie iih iii iin iip iir in- inc ine inh ini inn inp inr ipc ipe ipi ipn ipp ipr ir- irc ire iri irn irp irr n-i ncc nce nch nci ncn ncp ncr ne- nec nee neh nei nen nep ner nhc nhe nhh nhi nhn nhp nhr nic nie nih nii nin nip nir nnc nne nnh nni nnn nnp npc npe nph npi npn npp npr nrc nre nri nrn nrp nrr p-p pcc pce pch pci pcn pcp pcr pec pee peh pei pen pep per phc phe phi phn php phr pic pie pih pii pin pip pir pn- pnc pne pnh pni pnn pnp pnr ppc ppe pph ppi ppn ppp ppr prc pre prh pri prn prp prr rcc rce rch rci rcn rcp rcr re- rec ree reh rei ren rep rer rh- rhc rhe rhh rhi rhn rhp rhr ric rie rih rii rin rip rir rnc rnh rni rnn rnp rnr rpc rpe rph rpi rpn rpp rpr rrc rrh rri rrn rrp rrr