use '?' for JOKER (blank)

From letters W, A, S, T, R, I, E  I made following words

7 letter words

waister[10], waiters[10], wariest[10], wastrie[10]

6 letter words

waiter[9], rawest[9], tawers[9], waster[9], waters[9], twiers[9], wriest[9], writes[9], airest[6], satire[6], striae[6], terais[6]

5 letter words

resaw[8], sawer[8], sewar[8], sware[8], swear[8], wares[8], wears[8], wairs[8], weirs[8], wires[8], wiser[8], wries[8], tawie[8], tawer[8], water[8], twier[8], write[8], sweat[8], tawse[8], twaes[8], waste[8], waist[8], waits[8], wites[8], straw[8], swart[8], warts[8], strew[8], trews[8], wrest[8], wrist[8], writs[8], arise[5], raise[5], serai[5], irate[5], retia[5], terai[5], aster[5], rates[5], resat[5], stare[5], tares[5], tears[5], airts[5], astir[5], sitar[5], stair[5], stria[5], tarsi[5], resit[5], rites[5], tiers[5], tires[5], tries[5]

4 letter words

ware[7], wear[7], wair[7], weir[7], wire[7], awes[7], waes[7], wise[7], raws[7], wars[7], twae[7], wait[7], wite[7], wart[7], wert[7], writ[7], staw[7], swat[7], taws[7], twas[7], wast[7], wats[7], stew[7], tews[7], west[7], wets[7], wist[7], wits[7], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], airs[4], rais[4], rias[4], sari[4], ires[4], reis[4], rise[4], sire[4], rate[4], tare[4], tear[4], airt[4], rite[4], tier[4], tire[4], ates[4], east[4], eats[4], etas[4], sate[4], seat[4], seta[4], teas[4], aits[4], sati[4], site[4], ties[4], arts[4], rats[4], star[4], tars[4], tsar[4], erst[4], rest[4], rets[4], tres[4], stir[4]

3 letter words

awe[6], wae[6], raw[6], war[6], saw[6], was[6], sew[6], wis[6], taw[6], twa[6], wat[6], tew[6], wet[6], wit[6], are[3], ear[3], era[3], air[3], rai[3], ria[3], ire[3], rei[3], sae[3], sea[3], ais[3], sei[3], ars[3], ras[3], ers[3], res[3], ser[3], sir[3], sri[3], ate[3], eat[3], eta[3], tae[3], tea[3], ait[3], tie[3], art[3], rat[3], tar[3], ret[3], sat[3], tas[3], set[3], its[3], sit[3], tis[3]

2 letter words

ae[2], ai[2], ar[2], er[2], re[2], as[2], es[2]