bbbb bbbs bbdd bbin bdii bdin bdsd bibb bibi bibs bidi bids biin biis bin- bind bini binn bins bis- bisd biss bnib bnin bnss bsbd bsin bsnd bsns bssd dbss dddd ddss dibb dibs didi dids diii diis din- dini dinn dins dis- disd disi diss dnis dssi dssn ibid ibis ibns ibsn ibss idid idin idis idss iiii iiis iisd iisi inbd ind- indi inds inid inis inni inns inss isbd isbn isdb isdn isds isin isis issi isss n-ii nddb ndsi ndss nibi nibs nidd nidi nids nind nini nins nisd nisi niss nndb nnnn nnss nsds nsin nsis nssb nsss s-ib s-ii sbbs sbds sbsd sbsi sdds sdib sdss sibi sibs sidd sidi sids sind sini sinn sins sisd sisi siss snib snid snns snsd ssbn ssdd ssid ssin ssis ssns sssb sssi ssss