use '?' for JOKER (blank)

From letters D, I, S, O, R, G, A, N, I, Z, I, N, G  I made following words

13 letter words

disorganizing[24]

10 letter words

organizing[20], diagnosing[13], organising[12]

9 letter words

anodizing[19], agonizing[19], ironizing[18], isoniazid[18], diazinons[18], ordaining[11], agonising[11], sardining[11], indorsing[11], signorina[10]

8 letter words

agnizing[18], iodizing[18], grazings[18], diazinon[17], ionizing[17], grinding[11], niggards[11], draining[10], graining[10], radioing[10], adorning[10], groaning[10], nonrigid[10], groining[10], ignoring[10], iodising[10], darnings[10], grandson[10], insignia[9], ionising[9], ingrains[9], signiori[9], andirons[9], ironings[9], nigrosin[9], rosining[9]

7 letter words

zinging[17], grazing[17], zingani[16], zingano[16], zingari[16], zingaro[16], diazins[16], zinnias[15], danging[10], dinging[10], goading[10], grading[10], niggard[10], girding[10], griding[10], ridging[10], gaining[9], gonidia[9], ingoing[9], raiding[9], darning[9], ranging[9], girning[9], ringing[9], adoring[9], droning[9], siganid[9], sanding[9], signing[9], singing[9], ganoids[9], indigos[9], noggins[9], darings[9], gradins[9], gringas[9], ridings[9], dragons[9], gringos[9], ingrain[8], raining[8], andiron[8], ironing[8], saining[8], noising[8], airings[8], arising[8], raising[8], irising[8], innards[8], snaring[8], rinsing[8], inroads[8], ordains[8], sadiron[8], origans[8], signora[8], soaring[8], sordini[8], origins[8], signior[8], signori[8], snoring[8], sorning[8]

6 letter words

adzing[16], dazing[16], gazing[16], dozing[16], diazin[15], zoning[15], razing[15], sizing[15], zinnia[14], aiding[8], dining[8], indign[8], niding[8], ganoid[8], indigo[8], noggin[8], daring[8], gradin[8], gringa[8], raging[8], riding[8], dragon[8], goring[8], gringo[8], agings[8], siding[8], dongas[8], gonads[8], doings[8], dosing[8], goings[8], grands[8], grinds[8], aggros[8], airing[7], inroad[7], ordain[7], oaring[7], onagri[7], origan[7], origin[7], saning[7], adonis[7], danios[7], iodins[7], donnas[7], nosing[7], dinars[7], drains[7], nadirs[7], ranids[7], grains[7], rasing[7], indris[7], rising[7], siring[7], aroids[7], radios[7], adorns[7], andros[7], radons[7], argons[7], groans[7], orangs[7], organs[7], sarong[7], girons[7], grison[7], groins[7], rosing[7], signor[7], soring[7], anions[6], nasion[6], inions[6], raisin[6], ariosi[6], arsino[6], norias[6]

5 letter words

aging[7], donga[7], gonad[7], dingo[7], doing[7], going[7], rigid[7], grand[7], oidia[6], danio[6], gonia[6], iodin[6], donna[6], radii[6], dinar[6], anion[5], inion[5]