According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern ----M-I. That is, seven letter words with 5th letter M and 7th letter I. In alphabetical order, they are:
bilimbi
dochmii
haramdi
reremai
thrombi
Throb and thumb are 5 letter words. They begin with the letter t and end with b.
There are no 5 letter words in the English language that begin with r and end with f.
Calyx, codex and cylix are 5 letter words. They begin with c and end with x.
Halls, hands, heads, heels, helps, hills and homes are 5 letter words. They begin with h and end with s.
Some 5 letter words that begin with T:tabbytabletabletackytaffytainttakentalontapirtardytarrytastetaunttawnyteachteenyteethtempotenortensetepeetepidtersethanktheftthemetherethesethickthiefthinethingthinkthirdthongthornthreethrewthrobthrowthumbtidaltigertighttinkletitletoasttokentongstoothtopictorchtotaltouchtoughtracetracktradetrailtraintraittramptrashtreattrialtribetricktriketrouttrucktrunktrusttruthtuliptumortwist
Five letter words that begin with the letter e:eagleearlyeartheaseleightelateelbowelectelopeeludeemailemberemceeemptyenactendowenjoyenterequiperaseethicevictevokeexact
Five letter words ending in U are bayou and snafu.
Some five letter words ending in "l" include:availlevelwheeltrialtrillbevelbroilspellspoilspillkrillpupil
BloatCaratCheatCleat.
Some 5-letter words ending with H, in alphabetical order:AbashAgushAmishAnighAwashBatchBeechBekahBelchBenchBerthBirchBirthBlushBoothBotchBoughBrothBrushBunchCatchClothCoachCoughCrashCrushCzechDeathDepthDitchDoughDutchEarthEphahEpochFaithFetchFifthFilchFinchFlashFleshFlushForthFreshFrothGirthGlyphGulchHarshHatchHeathHitchHoochHunchHutchIrishKutchLatchLaughLeachLeashLeighLoathLunchLurchLymphLynchMarchMarshMatchMirthMonthMoochMorphMouthMulchMunchMyrrhNatchNeighNinthNorthNotchNymphParchPatchPeachPerchPilchPinchPitchPlushPoachPoochPorchPouchPunchQuashQuechQueghQuishRajahRanchRatchReachReichRetchRewthRoachRoughSelahShashSushSinchSixthSlashSloshSlothSlushSmashSmithSoothSoughSouthStitchSwashSwishSwoshSylphTeachTeethTenthThighToothTorahTorchTouchToughTrashTruthUbykhVetchVouchWatchWaughWeighWelchWelshWenchWhichWidthWitchWorthWrathWrothYalahYouthZilch
Some 5 letter words that end in O are:bingobongocuriocellocondoCongodingodiscodittofoliohellojellolassolingopatiopintopromopolioradioratiorodeoromeostenovireoVirgo
5 letter words beginning with g ending with L:grillgrowl