letter box

MAILBOX
List of words for the clue letter box from the crossword:
EMAIL MAIL USMAIL MAILS TEE SEX XED KITE BOMB ATHLETE SLIT CASE MEMO POE OREO BEE LINE OHIO LEASE
WordClue
ARKlarge box with a flat lid
PSIGreek letter
RHOGreek letter
TAUGreek letter
BETAGreek letter
IOTAThe ninth letter of the Greek alphabet
TEXTletter or novel
WORDmessage, letter
ZETAGreek letter
ALPHAGreek letter
CHESTpacking-box, box
DELTAGreek letter
GAMMAGreek letter
KAPPAThe tenth letter of the Greek alphabet
OMEGAGreek letter
PUNCHbox
SIGMAGreek letter
CASKETlittle box, e.g. for jewellery
BIRDHOUSEnesting box
SARCOPHAGUSbox-like funeral receptacle
BOOKSTAFFletter
MAILMANletter carrier