a-a a-t aaa aak aao aas aat aay aka akk ako aks aoa aok aoo aos aot as- asa ask aso ass ast asy at- ata ato ats att ay- aya ayk ayo ays ayt k-t ka- kaa kak kao kas kat kay kkk kks kkt kky koa kok koo kos kot koy ksa ksk kso kss kst kta ktk kto kts ktt kya kyo kys kyt oaa oak oao oas oat oka okk oko oks oo- ooa ook ooo oos oot os- osa osk oso oss ost ot- ota otk oto ots ott oya oyo oys saa sak sao sas sat say sk- ska skk sko sks skt sky soa sok soo sos sot soy ss- ssa ssk sso sss sst sta stk sto sts stt sty sy- sya syk sys syt taa tak tao tas tat tay tka tkk tko tks tkt tky to- toa tok too tos tot toy tsa tsk tso tss tst tsy tta ttk tto tts ttt tty tya tyo tys tyt yaa yak yao yas yat yay yka ykk yok yoo yos yot yoy ysa ysk yso yss yst ysy yta ytk yto yts ytt yys yyt yyy