use '?' for JOKER (blank)

From letters G, O, I, T, R, O, G, E, N, I, C  I made following words

11 letter words

goitrogenic[15]

9 letter words

goitrogen[11]

8 letter words

orogenic[11], reciting[11], gerontic[11]

7 letter words

georgic[11], coreign[10], tricing[10], ergotic[10], oneiric[9], coontie[9], coition[9], citrine[9], crinite[9], inciter[9], neritic[9], girting[9], ringgit[9], cointer[9], noticer[9], noritic[9], coronet[9], goonier[8], igniter[8], tiering[8], genitor[8], ignitor[8], rioting[8], rooting[8]

6 letter words

coigne[9], congii[9], cooing[9], cering[9], cringe[9], ricing[9], conger[9], coring[9], citing[9], cogent[9], coting[9], cogito[9], gieing[8], ginger[8], nigger[8], irenic[8], coiner[8], orcein[8], recoin[8], goring[8], gringo[8], ironic[8], gorgon[8], incite[8], noetic[8], notice[8], cootie[8], cretin[8], citrin[8], nitric[8], gorget[8], erotic[8], cornet[8], citron[8], cortin[8], cooter[8], octroi[8], croton[8], goonie[7], noogie[7], eringo[7], ignore[7], region[7], origin[7], gooier[7], orgone[7], ignite[7], tieing[7], toeing[7], gentoo[7], engirt[7], tiring[7], goiter[7], goitre[7], tonger[7], trigon[7], trogon[7], toonie[6], tinier[6], norite[6], orient[6], tonier[6], enroot[6]

5 letter words

genic[8], icing[8], conge[8], coign[8], incog[8], cogon[8], congo[8], corgi[8], orgic[8], going[7], ionic[7], icier[7], nicer[7], ricin[7], gorge[7], grego[7], crone[7], recon[7], orcin[7], cooer[7], croon[7], gigot[7], cento[7], conte[7], oncet[7], ontic[7], tonic[7], conto[7], citer[7], recit[7], recti[7], trice[7], recto[7], toric[7], genii[6], reign[6], renig[6], iring[6], genro[6], goner[6], giron[6], groin[6], tinge[6], ingot[6], tigon[6], tiger[6], ergot[6], griot[6], trigo[6], irone[5], oorie[5], inert[5], inter[5], niter[5], nitre[5], trine[5], torii[5], noter[5], tenor[5], toner[5], trone[5], intro[5], nitro[5]

4 letter words

cine[6], nice[6], cone[6], once[6], gong[6], nogg[6], cion[6], coin[6], coni[6], icon[6], gogo[6], coon[6], cire[6], rice[6], grig[6], cero[6], core[6], grog[6], coir[6], corn[6], tegg[6], cite[6], etic[6], cent[6], gien[5], gone[5], goon[5], girn[5], grin[5], ring[5], ergo[5], goer[5], gore[5], ogre[5], giro[5], gite[5], gent[5], ting[5], rein[4], inro[4], iron[4], noir[4], nori[4], nite[4], tine[4]