use '?' for JOKER (blank)

From letters B, A, C, K, B, I, T, E, R  I made following words

9 letter words

backbiter[19]

8 letter words

backbite[18], brickbat[18]

7 letter words

backbit[17], tieback[15], bracket[15], tackier[13]

6 letter words

backer[14], bicker[14], cabbie[12], bicarb[12], cakier[12], racket[12], retack[12], tacker[12], ticker[12], babier[10], barbie[10], caribe[10], barbet[10], rabbet[10], rabbit[10], terbic[10], baiter[8], barite[8], rebait[8], terbia[8]

5 letter words

kebab[13], kibbe[13], brick[13], baker[11], brake[11], break[11], kebar[11], crake[11], creak[11], biker[11], icker[11], batik[11], track[11], trick[11], ceiba[9], barbe[9], acerb[9], brace[9], caber[9], rabbi[9], baric[9], rabic[9], bribe[9], bract[9], taker[9], krait[9], traik[9], kiter[9], trike[9], areic[7], ceria[7], erica[7], taber[7], caret[7], carte[7], cater[7], crate[7], react[7], recta[7], trace[7], triac[7], biter[7], tribe[7], citer[7], recit[7], recti[7], trice[7], irate[5], retia[5], terai[5]

4 letter words

back[12], beck[12], bake[10], beak[10], cake[10], bike[10], kibe[10], bark[10], kbar[10], cark[10], rack[10], berk[10], kerb[10], reck[10], birk[10], rick[10], tack[10], tick[10], abbe[8], babe[8], bice[8], barb[8], carb[8], crab[8], crib[8], rake[8], raki[8], keir[8], kier[8], take[8], teak[8], ikat[8], kite[8], tike[8], kart[8], trek[8], bare[6], bear[6], brae[6], acre[6], care[6], race[6], abri[6], bier[6], brie[6], cire[6], rice[6], abet[6], bate[6], beat[6], beta[6], cate[6], tace[6], bait[6], bite[6], cite[6], etic[6], brat[6], cart[6], brit[6], crit[6], rate[4], tare[4], tear[4], airt[4], rite[4], tier[4], tire[4]

3 letter words

kab[9], ick[9], cab[7], ebb[7], bib[7], kae[7], kea[7], ark[7], irk[7], kir[7], kat[7], kit[7], ace[5], ice[5], arb[5], bar[5], bra[5], arc[5], car[5], reb[5], rec[5], rib[5], bat[5], tab[5], act[5], cat[5], bet[5], bit[5], tic[5], are[3], ear[3], era[3], air[3], rai[3], ria[3], ire[3], rei[3], ate[3], eat[3], eta[3], tae[3], tea[3], ait[3], tie[3], art[3], rat[3], tar[3], ret[3]

2 letter words

ka[6], ab[4], ba[4], be[4], bi[4], ae[2], ai[2]