-er eee eek eep eer ees ejp eke ekp ekr eks ep- epe epp epr eps ere erk erp err ers es- ese esk esp esr ess jee jej jek jep jer jes jjj jjk jjp jjr jjs jkk jkp jkr jks jpe jpj jpp jpr jps jrk jrp jrr jrs jse jsj jsk jsp jsr jss ke- kee kek kep ker kes kje kjr kjs kke kkk kkp kkr kks kpe kpk kpp kpr kps krk krp krr krs kse ksk ksp ksr kss p-p pee pek pep per pes pjp pjs pke pkp pkr pks ppe ppj ppk ppp ppr pps pre prk prp prr prs ps- pse psj psk psp psr pss re- ree rek rep rer res rjk rjp rjr rke rkk rkp rks rpe rpk rpp rpr rps rrk rrp rrr rrs rse rsj rsk rsp rsr rss se- see sej sek sep ser ses sje sjj sjk sjp sjr sjs sk- ske skj skk skp skr sks spe spk spp spr sps sr- sre srj srk srp srr srs ss- sse ssj ssk ssp ssr sss