-er a-a aaa aae aan aao aap aar aas aea aee aen aeo aep aer aes an- ana ane ann ano anp anr ans aoa aoe aon aoo aop aor aos ap- apa ape apn apo app apr aps ar- ara are arn aro arp arr ars as- asa ase asn aso asp asr ass eaa eae ean eao eap ear eas eea eee een eeo eep eer ees en- ena ene enn eno enp enr ens eo- eoa eoe eon eoo eop eor eos ep- epa epe epn epo epp epr eps era ere ern ero erp err ers es- esa ese esn eso esp esr ess naa nae nan nao nap nar nas ne- nea nee nen neo nep ner nes nna nne nnn nno nnp nns no- noa noe non noo nop nor nos npa npe npn npo npp npr nps nra nre nrn nro nrp nrr nrs nsa nse nsn nso nsp nsr nss oaa oae oan oao oap oar oas oea oee oen oeo oep oer oes on- ona one onn ono onp onr ons oo- ooa oon ooo oop oor oos op- opa ope opn opo opp opr ops or- ora ore orn oro orp orr ors os- osa ose osn oso osp osr oss p-p paa pae pan pao pap par pas pea pee pen peo pep per pes pn- pna pne pnn pno pnp pnr pns poa poe pon poo pop por pos ppa ppe ppn ppo ppp ppr pps pra pre prn pro prp prr prs ps- psa pse psn pso psp psr pss ra- raa rae ran rao rap rar ras re- rea ree ren reo rep rer res rna rnn rno rnp rnr rns roa roe ron roo rop ror ros rpa rpe rpn rpo rpp rpr rps rra rrn rrp rrr rrs rsa rse rsn rso rsp rsr rss saa sae san sao sap sar sas se- sea see sen seo sep ser ses sna sne snn sno snp snr sns soa soe son soo sop sor sos spa spe spn spo spp spr sps sr- sra sre srn sro srp srr srs ss- ssa sse ssn sso ssp ssr sss