use '?' for JOKER (blank)

From letters G, L, A, C, I, O, L, O, G, I, S, T, S  I made following words

13 letter words

glaciologists[17]

12 letter words

glaciologist[16]

11 letter words

algologists[13]

10 letter words

logistical[13], collagists[13], algologist[12]

9 letter words

isagogics[13], collagist[12], glossitic[12], logistics[12], latosolic[11], socialist[11], localists[11], soloistic[11]

8 letter words

isagogic[12], illogics[11], logistic[11], colossal[10], localist[10], sciolist[10], solicits[10], galliots[9], galloots[9], ologists[9], latosols[8]

7 letter words

logical[10], illogic[10], otalgic[10], cogitos[10], loggias[9], gigolos[9], silicas[9], scillas[9], socials[9], colossi[9], oolitic[9], italics[9], loggats[9], citolas[9], stoical[9], giglots[9], colitis[9], solicit[9], scotias[9], glossal[8], isologs[8], galliot[8], galloot[8], galiots[8], latigos[8], galoots[8], ologist[8], latosol[7], soloist[7]

6 letter words

gallic[9], glacis[9], logics[9], cologs[9], cogito[9], loggia[8], gigolo[8], sialic[8], silica[8], lilacs[8], scilla[8], social[8], locals[8], scalls[8], italic[8], citola[8], coital[8], giglot[8], ticals[8], coatis[8], scotia[8], gigots[8], costal[8], cloots[8], clasts[8], ascots[8], coasts[8], stoics[8], scoots[8], sigloi[7], igloos[7], isolog[7], sigils[7], glossa[7], siglos[7], galiot[7], latigo[7], galoot[7], gaslit[7], gloats[7], agists[7], staigs[7], glosts[7], aiolis[6], assoil[6], salols[6], tallis[6], allots[6], atolls[6], stalls[6], stills[6], sotols[6], stools[6]

5 letter words

logic[8], colog[8], clags[8], clogs[8], scags[8], cilia[7], iliac[7], lilac[7], local[7], gigas[7], laics[7], salic[7], calls[7], scall[7], calos[7], coals[7], colas[7], coils[7], gogos[7], cools[7], locos[7], class[7], socas[7], tical[7], licit[7], coati[7], gigot[7], octal[7], lotic[7], cloot[7], clast[7], talcs[7], ascot[7], coast[7], coats[7], costa[7], tacos[7], glial[6], logia[6], igloo[6], logoi[6], glias[6], sigla[6], sigil[6], galls[6], gills[6], agios[6], gaols[6], goals[6], logos[6], glass[6], slags[6], sagos[6], gloss[6], slogs[6], gloat[6], agist[6], gaits[6], staig[6], gilts[6], goats[6], togas[6], ilial[5], aioli[5], ollas[5], salol[5], lilos[5], olios[5], lassi[5], sails[5], sials[5], sisal[5], sills[5], oasis[5], ossia[5], lasso[5], silos[5], soils[5], solos[5], litai[5], allot[5], atoll[5], alist[5], litas[5], tails[5], stall[5], talls[5], lilts[5], still[5], tills[5], iotas[5], ostia[5], stoai[5]