use '?' for JOKER (blank)

From letters W, H, I, P, P, E, R, S, N, A, P, P, E, R, S  I made following words

15 letter words

whippersnappers[29]

14 letter words

whippersnapper[28]

11 letter words

periphrases[18]

10 letter words

hawsepipes[20], whisperers[18], reshippers[17], newspapers[17], preppiness[16], resharpens[15], sharpeners[15], paperiness[14]

9 letter words

hawsepipe[19], whisperer[17], prewashes[17], reshipper[16], happiness[16], perhapses[16], preshapes[16], sapphires[16], newspaper[16], peppiness[15], resharpen[14], sharpener[14], apheresis[14], pharisees[14], inspheres[14], phrensies[14], rephrases[14], reshapers[14], winepress[14], periapses[13], apprisers[13], perspires[13], weariness[12], answerers[12], passerine[11], prerinses[11]

8 letter words

whappers[18], whippers[18], warships[16], whispers[16], preshape[15], sapphire[15], snappish[15], shippens[15], preships[15], shippers[15], prewraps[15], wrappers[15], swappers[15], preppier[14], panpipes[14], preppies[14], wherries[14], rewashes[14], pharisee[13], heparins[13], seraphin[13], insphere[13], rephrase[13], reshaper[13], spherier[13], reshapes[13], parishes[13], sharpies[13], perishes[13], pheresis[13], sharpens[13], sharpers[13], prewires[13], prawners[13], prewarns[13], winesaps[13], spawners[13], snappier[12], paperers[12], prepares[12], repapers[12], appriser[12], perspire[12], pinesaps[12], pepsines[12], apprises[12], snappers[12], parsnips[12], snippers[12], prepress[12], errhines[11], reshines[11], shearers[11], sherries[11], answerer[11], wariness[11], swearers[11], naperies[10], prerinse[10], repiners[10], ripeners[10], erepsins[10], ripeness[10], asperser[10], spearers[10], aspirers[10], praisers[10], priseres[10], reprises[10], respires[10], reraises[8], rareness[8]

7 letter words

happier[14], happens[14], shippen[14], perhaps[14], preship[14], shipper[14], shnapps[14], panpipe[13], pappier[13], peppier[13], preppie[13], pappies[13], peppers[13], heparin[12], peahens[12], inphase[12], heapers[12], reshape[12], harpies[12], sharpie[12], sharpen[12], harpins[12], harpers[12], sharper[12], apheses[12], spahees[12], aphesis[12], sphenes[12], hipness[12], nappier[11], paperer[11], prepare[11], repaper[11], nappies[11], pinesap[11], pepsine[11], rappees[11], apprise[11], sappier[11], nappers[11], snapper[11], parsnip[11], nippers[11], snipper[11], rappers[11], ripraps[11], rippers[11], pepsins[11], herniae[10], errhine[10], hernias[10], henries[10], inheres[10], reshine[10], hearers[10], rehears[10], shearer[10], harries[10], herries[10], rehires[10], hessian[10], hearses[10], heiress[10], perinea[9], repiner[9], ripener[9], aperies[9], paniers[9], rapines[9], erepsin[9], repines[9], reapers[9], spearer[9], aspirer[9], parries[9], praiser[9], rapiers[9], raspier[9], repairs[9], perries[9], prisere[9], reprise[9], respire[9], pansies[9], sapiens[9], penises[9], reraise[7], earners[7], reearns[7], sierran[7], rerisen[7]