-er -ey eee eek een eep eer ees eet eey eke ekp ekr eks ekt eky en- ene enk enn enp enr ens ent eny ep- epe epn epp epr eps ept ere erk ern erp err ers ert ery es- ese esk esn esp esr ess est esy ete etk etn etp etr ets ett ety eye eyn eyp eyr eys eyt k-t ke- kee kek ken kep ker kes ket key kke kkk kkn kkp kkr kks kkt kky kn- kne knk knn knp knr knt kpe kpk kpn kpp kpr kps kpt krk krn krp krr krs krt kry kse ksk ksn ksp ksr kss kst kte ktk ktn ktp ktr kts ktt kye kyn kyp kyr kys kyt ne- nee nek nen nep ner nes net ney nke nkk nkn nkp nkr nks nkt nky nne nnk nnn nnp nns nnt npe npn npp npr nps npt nre nrk nrn nrp nrr nrs nrt nry nse nsk nsn nsp nsr nss nst nsy nte ntk ntn ntp ntr nts ntt nye nyk nyn nyp nys nyt nyy p-p pee pek pen pep per pes pet pey pke pkn pkp pkr pks pkt pky pn- pne pnk pnn pnp pnr pns pnt pny ppe ppk ppn ppp ppr pps ppt pre prk prn prp prr prs prt pry ps- pse psk psn psp psr pss pst psy pt- pte ptk ptn ptp ptr pts ptt pty py- pye pyk pyn pyr pys pyt re- ree rek ren rep rer res ret rey rke rkk rkp rks rkt rky rnn rnp rnr rns rnt rny rpe rpk rpn rpp rpr rps rpt rrk rrn rrp rrr rrs rrt rse rsk rsn rsp rsr rss rst rte rtk rtn rtp rtr rts rtt rty ry- rye ryk ryn ryr rys ryy se- see sek sen sep ser ses set sey sk- ske skk skp skr sks skt sky sne snk snn snp snr sns snt sny spe spk spn spp spr sps spt spy sr- sre srk srn srp srr srs srt sry ss- sse ssk ssn ssp ssr sss sst ste stk stn stp str sts stt sty sy- sye syk syn syp syr sys syt te- tee tek ten tep ter tes tet tey tke tkk tkp tkr tks tkt tky tne tnk tnn tnp tnr tns tnt tpe tpk tpn tpp tpr tps tpt tre trk trn trp trr trs trt try tse tsk tsn tsp tsr tss tst tsy tte ttk ttn ttp ttr tts ttt tty tye tyn typ tyr tys tyt yee yek yen yep yer yes yet yey ykk ykn yne ynk ynn ynp yns yny yps yre yrn yrp yrs yrt yse ysk ysp ysr yss yst ysy yte ytk ytn ytp ytr yts ytt yye yys yyt yyy