-ism bbbb bbbs bbdd bdii bdmi bdsd bdsm bibb bibi bibs bidi bids biis bims bis- bisd biss bisy biys bmdb bmmi bsbd bsim bsms bssd bssm bysb bysi bysm byss bysy byyd dbms dbss dddd ddss dibb dibs diby didi dids didy diii diis dimi dimm dims dis- disd disi diss disy diyi dmds dmss dsdm dsmb dsms dssi dybm dydd dymb dymd dymi dymy dys- dysi dyss i-by ibbm ibid ibim ibis ibms ibss ibyi idbm iddm idid idis idms idss iiii iiis iisd iisi iism imbi imdb imdi imds imid immi imms immy imsi imss isbd isdb isds isim isis ismi isms ismy issi isss issy isys mbbs mbdb mbim mbis mbms mddm mdds mdii mdis mdsd mibs mid- midi mids miii miis mim- mimd mimi mims mimy mis- misd misi miss misy mmdb mmdi mmds mmii mmis mmmd mmmm mmms mmsd mmyy msid msmb msmm msms mssi mssm mybb mybi mydd myi- myid myis mymy mys- myss myys s-ib s-ii sbbs sbds sbsd sbsi sdds sdib sdms sdsm sdss sibi sibs siby sidd sidi sids sidy siim simd simi simm sims simy sisd sisi siss sisy siyi smid smis smsd smss ssby ssdd ssdm ssid ssis sssb sssi sssm ssss sydi syds syis sym- symi syms syss ybbs yidi yids yiss ymyd ysby ysii ysyb yyyy