I would suggest going to scrabblefinder.com and typing in the letters you have. They come up with a list of a bunch of words you can make with those letters.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern J-G-ET. That is, six letter words with 1st letter J and 3rd letter G and 5th letter E and 6th letter T. In alphabetical order, they are: juglet
All letters J begin (and end) with the letter J.
Some Scrabble words that contain J:jam, ajust, banjo, major, jury, just, jerk, junk, ajar, object
B, e, j, q, x, y, z
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern J-GJI-. That is, six letter words with 1st letter J and 3rd letter G and 4th letter J and 5th letter I. In alphabetical order, they are: jigjig
Some words with both the letters E and J:ApplejackBejewelBluejeansDeejayDejectEjectEnjoyPrejudgePrejudiceRejectRejoiceRejoinRejuvenateVeejay
Some words that are spelled with an E and a J are:abjectadjacentadjectivebluejaycajoleconjugateconjuredejectedejectenjoyfrijoleinjectinjureinterjectjacketjackhammerjackknifejadejaggedjalapenojanglejasminejasperjaundicejavelinjealousjeansjeepjeerjejunejellyjellybeanjeopardizejerkjerseyjetjettyjewelJezebeljinglejittersjivejockeyjoeyjoggerjokerjostlejubileejudgejugglejuicejujubejumbleJunejunglejunketjusticejuvenilemajesticobjectperjuryprejudiceprojectrejectrejoicerejuvenatesubjecttrajectory
Words that can be made for the letters in 'adjective' are:aaceacedacidactactedactiveadadviceaidaideatateavidcadcadetcatcatecavecavedcedecitecitedcivetdatedavitdeceitdejectdeviatedevicedicediedietdivadiveeateaveedicteditejectevadeeveevictevictedIiceicedidideaitjadejadeitejetjivetadteateetictidetietiedvatviavicevievied
eight
Words that can be made from the letters SABEELJ are:aalealeeasbalebasebeeaseeaseleelelsejablalablealeaseleesablesaleseasealseeslab
Words that can be made from the letters 'ejnori' are:eonIinionireironjinjoejoinjoinernonorononeororereinrejoinroe
jubilee justice
jo, joe, oe, I
Words that can be made from the letters 's m d j a d o e' are:aadadoamasdaddadodamdamedeaddodoedoesdomejadejammadmadememeadmodeoddodesadsameseaseamsosodsodasome
The longest word you can make with these letters is jeeped.
enjoyment
jet /ate /tea /eat