Not counting 1- or 2-letter words, here is what I came up with: 3-letter words
ors oes ods ort ose rei red ode its tod toe tis ers ire ids res ret sit sir set ted sod sri sot ser sei dei rid rod roe rot tie tor ore dit dot dor doe des dos die 4-letter words
trio rode dite rose roes rods rise rids ride tore riot tier rite dits tied tide sord dies site sore sori stir sort diet teds dirt rots doer trod dire sire side rote rets dost ides erst tors ired rest ires eros tiro toed toes dots tods tori dote edit odes dose reis doit dors redo tire does reds orts ties ores 5-letter words
tries trois tiers tores strid store tires torse trios tides stied torsi tried trode tired tiros riots edits doest eidos osier resid redos doits doser doter dotes drest dries droit doers rides sited dirts diets deist sired dites rosed rites rotes roset 6-letter words
dories doters direst triose tories triode droits stride dotier sorted stored sortie rioted strode driest editor todies 7-letter words
sortied steroid triodes editors storied
There are no possible 7-letter words with those letters, the longest possible words are five letters long:gonefpengo
There are no 7-letter words possible, but here are the possible 6-letter words:tauonsvaunts
There are no 6-letter words possible, here are the possible 5-letter words:alephalmehamplehemalmaple
There are no possible 10-letter words, there are these 9-letter words though:antikingsknightingthinkingsvanishing
6-letter words possible, the longest possibel words are these 5-letter words:bowedtowed
Which one of these is a possible indicator of a suspicious letter or package
These are the possible words:BraceroMonteroNonheroNonzeroPamperoPrimeroSanteroSubzeroVaquero
There are 18 possible words:DadgumDefoamDeformDegermDepermDewormDiademDiatomDictumDinkumDirdumDirhamDisarmDodgemDogdomDorsumDrachmDumdum
There are no eight letter words using these letters.The longest possible words have seven letters and include:CatfallChapletFlatcapHellcatHematalPalmatePatellaPlacate
There are no 9 letter English words that can be made from those letters. The longest possible words are 7 letters and are: wipeout, piroque, poutier.
Here are some possible words: backbitbacklitbailoutbaldestballastbanquetbaptistbarefitbaronetbassistbayonetbearcatbedfastbedpostbeleaptbelfastbenefitbequestbetwixtbigfootbiggestbiscuitblanketblatantblowoutboldestbombastboneletbonesetboniestbookletboomletborschtbouquetbowknotbowshotboxiestboycottbracketbravestbrisketbroughtbumboatbummestbuoyantburnoutbushtitbusiest
Some examples of six-lettered words with 'L' as the fourth letter:AmblerBarleyBedlamBowlerCoolerDealerDeployEmblemFaultyFowledGobletGoblinHealerSee the related link for a full list of all possible words.