-er -ey eee eef eek een eer ees eet eey ef- efe eff efi efr efs eft eie eif eii eik ein eir eis eit eke ekf eki ekr eks ekt eky en- ene enf eni enk enn enr ens ent eny ere erf eri erk ern err ers ert ery es- ese esf esi esk esn esr ess est esy ete etf eti etk etn etr ets ett ety eye eyn eyr eys eyt fee fef fei fek fen fer fes fet fey ffe fff ffi ffk ffn ffr ffs fft ffy fie fif fii fik fin fir fis fit fkf fki fkk fkt fne fnf fni fnk fnn fnr fns fnt fre frf fri frk frn frr frs frt fry fse fsf fsi fsk fsn fsr fss fst fte ftf fti ftk ftn ftr fts ftt fty fy- fye fyi fyk fyn i-f ie- iee ief iei iek ien ier ies iet iey ife iff ifi ifn ifr ifs ift ify iie iif iii iin iir iis iit ike ikf iki ikk ikr iks ikt in- ine inf ini ink inn inr ins int iny ir- ire irf iri irk irn irr irs irt iry is- ise isf isi isk isn isr iss ist isy ite itf iti itk itn its itt ity iye iyr iys iyt iyy k-t ke- kee kef kei kek ken ker kes ket key kff kfi kfs kie kif kii kik kin kir kis kit kke kki kkk kkn kkr kks kkt kky kn- kne knf kni knk knn knr knt krf kri krk krn krr krs krt kry kse ksf ksi ksk ksn ksr kss kst kte ktf ktk ktn ktr kts ktt kye kyn kyr kys kyt n-i ne- nee nef nei nek nen ner nes net ney nfe nff nfi nfk nfn nfr nfs nft nie nif nii nik nin nir nis nit nke nkf nki nkk nkn nkr nks nkt nky nne nnf nni nnk nnn nns nnt nre nrf nri nrk nrn nrr nrs nrt nry nse nsf nsi nsk nsn nsr nss nst nsy nte ntf nti ntk ntn ntr nts ntt nye nyf nyk nyn nys nyt nyy re- ree ref rei rek ren rer res ret rey rfe rff rfi rfk rfn rfr rfs rft rie rif rii rik rin rir ris rit riy rke rkf rkk rks rkt rky rni rnn rnr rns rnt rny rrf rri rrk rrn rrr rrs rrt rse rsf rsi rsk rsn rsr rss rst rte rtf rti rtk rtn rtr rts rtt rty ry- rye ryf ryk ryn ryr rys ryy se- see sef sei sek sen ser ses set sey sfe sff sfi sfk sfn sfr sfs sft sie sif sii sik sin sir sis sit sk- ske skf ski skk skr sks skt sky sne snf sni snk snn snr sns snt sny sr- sre srf sri srk srn srr srs srt sry ss- sse ssf ssi ssk ssn ssr sss sst ste stf sti stk stn str sts stt sty sy- sye syi syk syn syr sys syt te- tee tef tei tek ten ter tes tet tey tfe tff tfi tfk tfn tfr tfs tft tie tif tii tik tin tir tis tit tiy tke tkk tkr tks tkt tky tne tnf tni tnk tnn tnr tns tnt tre trf tri trk trn trr trs trt try tse tsf tsi tsk tsn tsr tss tst tsy tte ttf tti ttk ttn ttr tts ttt tty tye tyf tyn tyr tys tyt yee yef yei yek yen yer yes yet yey yfe yff yfr yfs yft yie yif yii yin yir yis yit yki ykk ykn yne ynk ynn yns yny yre yrf yrn yrs yrt yse ysi ysk ysr yss yst ysy yte ytf ytk ytn ytr yts ytt yye yyf yys yyt yyy