-er -ic c-- ccc cce cch cci ccn cco ccp ccr ccs ce- cec cee ceh cei cen ceo cep cer ces ch- chc che chh chi chn cho chp chr chs ci- cic cie cih cii cin cio cip cir cis cn- cnc cne cnh cni cnn cno cnp cnr cns co- coc coe coh coi con coo cop cor cos cpc cpe cph cpi cpn cpo cpp cpr cps crc cre crh cri crn cro crp crr crs csc cse csh csi csn cso csp csr css ec- ecc ece ech eci ecn eco ecr ecs eec eee een eeo eep eer ees ehc ehe ehh ehi ehn eho ehp ehr ehs eic eie eii ein eio eip eir eis en- enc ene enh eni enn eno enp enr ens eo- eoc eoe eoh eoi eon eoo eop eor eos ep- epc epe eph epi epn epo epp epr eps erc ere erh eri ern ero erp err ers es- esc ese esh esi esn eso esp esr ess h-i hcc hce hch hci hcn hco hcp hcr hcs he- hec hee heh hei hen heo hep her hes hhc hhe hhh hhi hhn hho hhp hhr hhs hic hie hih hii hin hio hip hir his hnc hne hnh hnn hno hns hoc hoe hoh hoi hon hoo hop hor hos hpc hpe hph hpi hpn hpo hpp hpr hps hr- hrc hre hrh hri hrn hro hrp hrr hrs hsc hse hsh hsi hsn hsp hsr hss icc ice ich ici icn ico icp icr ics ie- iec iee iei ien iep ier ies ihc ihe ihh ihi ihn iho ihp ihr ihs iic iie iih iii iin iio iip iir iis in- inc ine inh ini inn ino inp inr ins io- ioc ioe ioh ioi ion ioo iop ior ios ipc ipe ipi ipn ipo ipp ipr ips ir- irc ire iri irn iro irp irr irs is- isc ise ish isi isn iso isp isr iss n-i ncc nce nch nci ncn nco ncp ncr ncs ne- nec nee neh nei nen neo nep ner nes nhc nhe nhh nhi nhn nhp nhr nhs nic nie nih nii nin nio nip nir nis nnc nne nnh nni nnn nno nnp nns no- noc noe noh noi non noo nop nor nos npc npe nph npi npn npo npp npr nps nrc nre nri nrn nro nrp nrr nrs nsc nse nsh nsi nsn nso nsp nsr nss o-i oc- occ och oci ocn oco ocp ocr ocs oec oee oeh oei oen oeo oep oer oes ohc ohe ohh ohi ohn oho ohp ohr ohs oic oie oii oin oio oip oir ois on- onc one onh oni onn ono onp onr ons oo- ooc ooh ooi oon ooo oop oor oos op- opc ope oph opi opn opo opp opr ops or- orc ore orh ori orn oro orp orr ors os- osc ose osh osi osn oso osp osr oss p-p pcc pce pch pci pcn pco pcp pcr pcs pec pee peh pei pen peo pep per pes phc phe phi phn pho php phr phs pic pie pih pii pin pio pip pir pis pn- pnc pne pnh pni pnn pno pnp pnr pns poc poe poh poi pon poo pop por pos ppc ppe pph ppi ppn ppo ppp ppr pps prc pre prh pri prn pro prp prr prs ps- psc pse psh psi psn pso psp psr pss rcc rce rch rci rcn rco rcp rcr rcs re- rec ree reh rei ren reo rep rer res rh- rhc rhe rhh rhi rhn rho rhp rhr rhs ric rie rih rii rin rio rip rir ris rnc rnh rni rnn rno rnp rnr rns roc roe roh roi ron roo rop ror ros rpc rpe rph rpi rpn rpo rpp rpr rps rrc rrh rri rrn rrp rrr rrs rsc rse rsh rsi rsn rso rsp rsr rss scc sce sch sci scn sco scp scr scs se- sec see seh sei sen seo sep ser ses sh- shc she shh shi shn sho shp shr shs sic sie sih sii sin sio sip sir sis snc sne sni snn sno snp snr sns soc soe soh soi son soo sop sor sos spc spe sph spi spn spo spp spr sps sr- src sre srh sri srn sro srp srr srs ss- ssc sse ssh ssi ssn sso ssp ssr sss