Crossword clues for Lettered 8 letters:MAILSLOTOpening for lettersHIBISCUSSee 17-Across (In this answer, see letters 1-2)CARDINAL*Official bird of the Hoosier State (... letters 5-6)ENDPLAYS*Bridge maneuvers (note each starred answer's first word, plus four letters below it)GOATMILKAlternative to 2% ... with or without the shaded letterSHIFTKEY*Capital letter creatorINITIALSLetter heads?FIREDOFFWrote hastily, as an angry letterSTITCHEDLike letters on shirtsBILABIALLike the letter "b," sayMAILBAGSLetter carriersENCLOSEDStart of a letter accompanying a manuscriptNEWSIESTLike the best letters from homeDICTATEDLike some business lettersRAWNERVETender spot to hit in conversation (... first 2 letters + last 2)ATHLETESLetter wearers, e.g.JUNKMAILSome letters.BEHAVINGFollowing to the letterUPSILONSGreek lettersXOXOXOXOLove letter signoffWATERING5-___ (5 letters)LANDLORDProfessional letterWRONGWAYSign of misdirection, and a hint to this puzzle's circled lettersINITIALSMonogram lettersALPHABET17-, 25-, 35- and 50-Across consist only of letters from the second half of itDONTYELLScolding for someone shouting (Last 4 letters + ...)EYETESTSThey require reading many lettersENVELOPELetter holderJOESCHMOOrdinary guy (last 2 letters ...)ALANALDAM*A*S*H star (theme hint: note the letter above every black square in each four-black square diagonal!)ONETHIRDFraction of months that end in the letter "Y"EYETESTSOccasions to read lettersCALLSIGNStation identification lettersSPECIALSLetters of a sort.PARAVIONPhrase on air letters.BRASIZESThey can be denoted by a number and a letterJUNKMAILLetters for occupants?TRIGRAPHThree letters forming a single soundDEARSIRSFormal letter starterANAGRAMSScrambled letter gamesTRIGRAPHThree letter simplw sound, e.g. eauALPHABETList of lettersEPISTLESLetters in the New TestamentPANGRAMSThey use every letter 1-AcrossANAGRAMSLetter-rearranging gameSEQUENCEWhen preceded by [the circled letters], progression starting with 0 and 1PHONETICLike the alphabet that includes the answers to the starred clues ... and an anagram of the eight circled lettersZIPCODESLetter numbersTHUMPING5-___ (4 letters)DEARSIRSNon-PC letter opener