bbbb bbdd bd-r bddh bdii bdry bhir bibb bibi bidi bidr bihi birb bird biri birr biry brdy brid brih brrr bry- bryd byrd byyd dddd ddry dibb diby didi didy diii dird dirr diyi drib drih dry- dydd dyhb dyhh dyhr dyr- dyrb dyri dyyr h-ii hdri hdyd hhhh hibi hidi hidy hihi hird hiri hrib hrid hryb hydd hydr hyrd i-by ibid ibrd ibri ibyi idid idir ihdr ihrd iiii irby iri- irid iriy irri rbbb rbbr rhib rhyd rib- riby ridd ridi riri rrrr rydy ryhb ybry yhid yhyd yidi yirb yird yirr yyyy