Crossword clues for Bus.-letter letters:ATTNBus.-letter lettersENCBus. letter abbr.ENCLBus. letter abbr.ATTNName preceder on a bus. letterENCBus. letter extraATTNBus. letter directiveENCBus. letter insertXXXBus. letter abbr.ENCBus. letter attachmentENCSBus. letter add-insENCBus. letter accompanierMTANYC bus lettersINCBus. lettersATTNBus. letter abbr.ENCLBus. letter attachmentULTLast month, in a bus. letterSTEBus. card lettersETABus sched. lettersRESBus. card lettersTELBus. card lettersCEOBus. suite doorplate letters, perhaps