use '?' for JOKER (blank)

From letters S, A, P, R, O, B, E, S  I made following words

8 letter words

saprobes[12]

7 letter words

saprobe[11], soapers[9]

6 letter words

probes[10], rebops[10], boreas[8], operas[8], pareos[8], soaper[8], paseos[8], sabers[8], sabres[8], broses[8], sobers[8], aspers[8], parses[8], passer[8], prases[8], repass[8], spares[8], sparse[8], spears[8], sapors[8], posers[8], proses[8], spores[8], serosa[6]

5 letter words

probe[9], rebop[9], opera[7], pareo[7], paseo[7], psoae[7], bares[7], baser[7], bears[7], braes[7], saber[7], sabre[7], boars[7], boras[7], bores[7], brose[7], robes[7], sober[7], apers[7], apres[7], asper[7], pares[7], parse[7], pears[7], prase[7], presa[7], rapes[7], reaps[7], spare[7], spear[7], praos[7], proas[7], sapor[7], pores[7], poser[7], prose[7], repos[7], ropes[7], spore[7], bases[7], sabes[7], basso[7], sobas[7], apses[7], pases[7], passe[7], spaes[7], psoas[7], soaps[7], pesos[7], poses[7], posse[7], brass[7], sorbs[7], rasps[7], spars[7], press[7], pross[7], arose[5], oases[5], arses[5], rases[5], sears[5], saros[5], soars[5], soras[5], roses[5], sores[5]

4 letter words

baps[8], bops[8], bare[6], bear[6], brae[6], boar[6], bora[6], bore[6], robe[6], aper[6], pare[6], pear[6], rape[6], reap[6], prao[6], proa[6], pore[6], repo[6], rope[6], base[6], sabe[6], abos[6], boas[6], obas[6], soba[6], obes[6], apes[6], apse[6], pase[6], peas[6], spae[6], apos[6], soap[6], epos[6], opes[6], peso[6], pose[6], arbs[6], bars[6], bras[6], rebs[6], bros[6], orbs[6], robs[6], sorb[6], pars[6], raps[6], rasp[6], spar[6], reps[6], pros[6], bass[6], sabs[6], boss[6], sobs[6], asps[6], pass[6], saps[6], spas[6], sops[6], aero[4], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], oars[4], osar[4], soar[4], sora[4], eros[4], ores[4], roes[4], rose[4], sore[4], seas[4], ossa[4], oses[4], sers[4]

3 letter words

bap[7], bop[7], abo[5], boa[5], oba[5], obe[5], ape[5], pea[5], apo[5], ope[5], arb[5], bar[5], bra[5], reb[5], bro[5], orb[5], rob[5], are[3], ear[3], era[3], oar[3], ora[3], ore[3], roe[3]