$1.$ letter $=$ k $|$ o $|$ r $|$ p

$2.$ LETTER $=$ K $|$ O $|$ R $|$ P

$3.$ digit $=2|4|6|8$

$4.\backslash$alpha $=$ digit $$ letter $$ LETTER$*$

$5.=$ letter$*$ digit $$ digit $$ LETTER

$6.\backslash$gamma $=($LETTER $|$ digit$)$ digit$*$ letter$*$

$7.$ If we call getToken$()$ repeatedly on the input string $44$k$8$pRO$6$ropK$2$OOR$8$r$66$R$64$P until the end of input is reached, what is the sequence of tokens returned? Show your work.$\backslash$delta $=$ digit $($LETTER$*|$ digit $|$ letter$*)$ digit