a-a a-i a-t aaa aaf aai aak aat af- afa aff afi afk aft ai- aia aif aii aik ait aka aki akk at- ata atf ati att faa faf fai fak fat ffa fff ffi ffk fft fia fif fii fik fit fka fkf fki fkk fkt fta ftf fti ftk ftt i-f ia- iaa iaf iai iat ifa iff ifi ift iia iif iii iit ika ikf iki ikk ikt ita itf iti itk itt k-t ka- kaa kaf kai kak kat kfa kff kfi kia kif kii kik kit kki kkk kkt kta ktf ktk ktt taa taf tai tak tat tfa tff tfi tfk tft tia tif tii tik tit tka tkk tkt tta ttf tti ttk ttt