-er a-a a-c aaa aac aae aah aan aap aar aas ac- aca acc ace ach acn acp acr acs aea aec aee aeh aen aep aer aes aha ahc ahe ahh ahn ahp ahr ahs an- ana anc ane anh ann anp anr ans ap- apa apc ape aph apn app apr aps ar- ara arc are arh arn arp arr ars as- asa asc ase ash asn asp asr ass c-- caa cac cae cah can cap car cas cca ccc cce cch ccn ccp ccr ccs ce- cea cec cee ceh cen cep cer ces ch- cha chc che chh chn chp chr chs cn- cna cnc cne cnh cnn cnp cnr cns cpa cpc cpe cph cpn cpp cpr cps cra crc cre crh crn crp crr crs csa csc cse csh csn csp csr css eaa eac eae eah ean eap ear eas ec- eca ecc ece ech ecn ecr ecs eea eec eee een eep eer ees eha ehc ehe ehh ehn ehp ehr ehs en- ena enc ene enh enn enp enr ens ep- epa epc epe eph epn epp epr eps era erc ere erh ern erp err ers es- esa esc ese esh esn esp esr ess haa hac hae hah han hap har has hca hcc hce hch hcn hcp hcr hcs he- hea hec hee heh hen hep her hes hha hhc hhe hhh hhn hhp hhr hhs hna hnc hne hnh hnn hns hpa hpc hpe hph hpn hpp hpr hps hr- hra hrc hre hrh hrn hrp hrr hrs hsa hsc hse hsh hsn hsp hsr hss naa nac nae nah nan nap nar nas nca ncc nce nch ncn ncp ncr ncs ne- nea nec nee neh nen nep ner nes nha nhc nhe nhh nhn nhp nhr nhs nna nnc nne nnh nnn nnp nns npa npc npe nph npn npp npr nps nra nrc nre nrn nrp nrr nrs nsa nsc nse nsh nsn nsp nsr nss p-p paa pac pae pah pan pap par pas pca pcc pce pch pcn pcp pcr pcs pea pec pee peh pen pep per pes pha phc phe phn php phr phs pn- pna pnc pne pnh pnn pnp pnr pns ppa ppc ppe pph ppn ppp ppr pps pra prc pre prh prn prp prr prs ps- psa psc pse psh psn psp psr pss ra- raa rac rae rah ran rap rar ras rca rcc rce rch rcn rcp rcr rcs re- rea rec ree reh ren rep rer res rh- rha rhc rhe rhh rhn rhp rhr rhs rna rnc rnh rnn rnp rnr rns rpa rpc rpe rph rpn rpp rpr rps rra rrc rrh rrn rrp rrr rrs rsa rsc rse rsh rsn rsp rsr rss saa sac sae sah san sap sar sas sca scc sce sch scn scp scr scs se- sea sec see seh sen sep ser ses sh- sha shc she shh shn shp shr shs sna snc sne snn snp snr sns spa spc spe sph spn spp spr sps sr- sra src sre srh srn srp srr srs ss- ssa ssc sse ssh ssn ssp ssr sss