a-a a-t aaa aad aak aas aat aay ad- ada add adk ads adt ady aka akd akk aks as- asa asd ask ass ast asy at- ata atd ats att ay- aya ayd ayk ays ayt daa dad dak das dat day dda ddd ddk dds ddt ddy dka dkk dks dkt dsa dsd dsk dss dst dsy dta dtd dtk dts dtt dty dy- dya dyd dyk dys dyy k-t ka- kaa kad kak kas kat kay kda kdk kds kdt kdy kkk kks kkt kky ksa ksd ksk kss kst kta ktk kts ktt kya kyd kys kyt saa sad sak sas sat say sda sdd sdk sds sdt sdy sk- ska skd skk sks skt sky ss- ssa ssd ssk sss sst sta std stk sts stt sty sy- sya syd syk sys syt taa tad tak tas tat tay tda tdd tdk tds tdt tdy tka tkk tks tkt tky tsa tsd tsk tss tst tsy tta ttd ttk tts ttt tty tya tyd tys tyt yaa yad yak yas yat yay yda yds ydt ydy yka ykk ysa ysk yss yst ysy yta ytd ytk yts ytt yys yyt yyy