a-a a-i a-t aaa aae aaf aai aak aas aat aea aee aef aei aek aes aet af- afa afe aff afi afk afs aft ai- aia aie aif aii aik ais ait aka ake aki akk aks as- asa ase asf asi ask ass ast at- ata ate atf ati ats att eaa eae eaf eai eak eas eat eea eee eef eek ees eet ef- efa efe eff efi efs eft eia eie eif eii eik eis eit eka eke ekf eki eks ekt es- esa ese esf esi esk ess est eta ete etf eti etk ets ett faa fae faf fai fak fas fat fea fee fef fei fek fes fet ffa ffe fff ffi ffk ffs fft fia fie fif fii fik fis fit fka fkf fki fkk fkt fsa fse fsf fsi fsk fss fst fta fte ftf fti ftk fts ftt i-f ia- iaa iae iaf iai ias iat ie- iea iee ief iei iek ies iet ifa ife iff ifi ifs ift iia iie iif iii iis iit ika ike ikf iki ikk iks ikt is- isa ise isf isi isk iss ist ita ite itf iti itk its itt k-t ka- kaa kae kaf kai kak kas kat ke- kea kee kef kei kek kes ket kfa kff kfi kfs kia kie kif kii kik kis kit kke kki kkk kks kkt ksa kse ksf ksi ksk kss kst kta kte ktf ktk kts ktt saa sae saf sai sak sas sat se- sea see sef sei sek ses set sfa sfe sff sfi sfk sfs sft sia sie sif sii sik sis sit sk- ska ske skf ski skk sks skt ss- ssa sse ssf ssi ssk sss sst sta ste stf sti stk sts stt taa tae taf tai tak tas tat te- tea tee tef tei tek tes tet tfa tfe tff tfi tfk tfs tft tia tie tif tii tik tis tit tka tke tkk tks tkt tsa tse tsf tsi tsk tss tst tta tte ttf tti ttk tts ttt