-er a-a a-t aaa aae aaf aak aan aar aas aat aea aee aef aek aen aer aes aet af- afa afe aff afk afn afr afs aft aka ake akk akn akr aks an- ana ane anf ank ann anr ans ant ar- ara are arf ark arn arr ars art as- asa ase asf ask asn asr ass ast at- ata ate atf atn atr ats att eaa eae eaf eak ean ear eas eat eea eee eef eek een eer ees eet ef- efa efe eff efr efs eft eka eke ekf ekr eks ekt en- ena ene enf enk enn enr ens ent era ere erf erk ern err ers ert es- esa ese esf esk esn esr ess est eta ete etf etk etn etr ets ett faa fae faf fak fan far fas fat fea fee fef fek fen fer fes fet ffa ffe fff ffk ffn ffr ffs fft fka fkf fkk fkt fna fne fnf fnk fnn fnr fns fnt fra fre frf frk frn frr frs frt fsa fse fsf fsk fsn fsr fss fst fta fte ftf ftk ftn ftr fts ftt k-t ka- kaa kae kaf kak kan kar kas kat ke- kea kee kef kek ken ker kes ket kfa kff kfs kke kkk kkn kkr kks kkt kn- kna kne knf knk knn knr knt kra krf krk krn krr krs krt ksa kse ksf ksk ksn ksr kss kst kta kte ktf ktk ktn ktr kts ktt naa nae naf nak nan nar nas nat ne- nea nee nef nek nen ner nes net nfa nfe nff nfk nfn nfr nfs nft nka nke nkf nkk nkn nkr nks nkt nna nne nnf nnk nnn nns nnt nra nre nrf nrk nrn nrr nrs nrt nsa nse nsf nsk nsn nsr nss nst nta nte ntf ntk ntn ntr nts ntt ra- raa rae raf rak ran rar ras rat re- rea ree ref rek ren rer res ret rfa rfe rff rfk rfn rfr rfs rft rke rkf rkk rks rkt rna rnn rnr rns rnt rra rrf rrk rrn rrr rrs rrt rsa rse rsf rsk rsn rsr rss rst rta rte rtf rtk rtn rtr rts rtt saa sae saf sak san sar sas sat se- sea see sef sek sen ser ses set sfa sfe sff sfk sfn sfr sfs sft sk- ska ske skf skk skr sks skt sna sne snf snk snn snr sns snt sr- sra sre srf srk srn srr srs srt ss- ssa sse ssf ssk ssn ssr sss sst sta ste stf stk stn str sts stt taa tae taf tak tan tar tas tat te- tea tee tef tek ten ter tes tet tfa tfe tff tfk tfn tfr tfs tft tka tke tkk tkr tks tkt tna tne tnf tnk tnn tnr tns tnt tra tre trf trk trn trr trs trt tsa tse tsf tsk tsn tsr tss tst tta tte ttf ttk ttn ttr tts ttt