use '?' for JOKER (blank)

From letters W, A, F, F, L, E, S, T, O, M, P, E, R, S  I made following words

14 letter words

wafflestompers[27]

13 letter words

wafflestomper[26]

10 letter words

safflowers[19], flowmeters[18], effortless[16], elastomers[12], salometers[12]

9 letter words

safflower[18], leafworms[17], flowmeter[17], flatworms[17], platforms[16], tapeworms[16], tafferels[15], afforests[15], fleaworts[15], flowerets[15], softwares[15], frameless[14], teraflops[14], foremasts[14], powerless[14], stemwares[14], lamperses[13], resamples[13], temporals[13], waterless[12], elastomer[11], salometer[11], semestral[11], molesters[11], proteases[11], polestars[11], oleasters[9]

8 letter words

offramps[18], wafflers[17], leafworm[16], peafowls[16], wolframs[16], forepaws[16], flatworm[16], preflame[15], platform[15], pomfrets[15], empowers[15], swampers[15], tapeworm[15], tafferel[14], forefelt[14], afforest[14], restaffs[14], staffers[14], welfares[14], seafowls[14], fleawort[14], floweret[14], software[14], felworts[14], fretsaws[14], fearsome[13], fameless[13], selfsame[13], foamless[13], formless[13], felspars[13], teraflop[13], foremast[13], formates[13], fretsome[13], forepast[13], flotsams[13], eelworms[13], stemware[13], twasomes[13], sweetsop[13], empalers[12], resample[12], rampoles[12], samplers[12], temporal[12], temperas[12], templars[12], tramples[12], marplots[12], restamps[12], stampers[12], stompers[12], fearless[11], safroles[11], reflates[11], floaters[11], forestal[11], refloats[11], feasters[11], fretless[11], sweaters[11], warstles[11], wartless[11], wastrels[11], wrastles[11], swelters[11], wrestles[11], parolees[10], pleasers[10], presales[10], relapses[10], reposals[10], molester[10], petrales[10], pleaters[10], prelates[10], replates[10], operates[10], protease[10], petrosal[10], polestar[10], mateless[10], meatless[10], tameless[10], maltoses[10], tapeless[10], apostles[10], poetless[10], masseter[10], seamster[10], steamers[10], lamsters[10], tramless[10], resmelts[10], smelters[10], termless[10], maestros[10], somerset[10], trapeses[10], persalts[10], plasters[10], psalters[10], staplers[10], spelters[10], espartos[10], protases[10], seaports[10], portless[10], oleaster[8], reslates[8], stealers[8], tearless[8], olestras[8], solerets[8]

7 letter words

offramp[17], farfels[13], raffles[13], femoral[12], females[12], flamers[12], foamers[12], formals[12], felspar[12], empaler[11], premeal[11], rampole[11], empales[11], amperes[11], lampers[11], palmers[11], sampler[11], samples[11], loafers[10], safrole[10], safrols[10], flosser[10], parolee[9], morales[9], leapers[9], pleaser[9], presale[9], relapse[9], repeals[9], paroles[9], reposal[9], elopers[9], leprose[9], measles[9], elapses[9], pleases[9], seamers[9], armless[9], morsels[9], asperse[9], areoles[7], earless[7], leasers[7], resales[7], reseals[7], sealers[7], serosae[7], lassoer[7], oarless[7], serosal[7], resoles[7]