bbbb bbbs bbhs bhhs bhir bibb bibi bibs bihi bihs biis birb biri birr birs biry bis- bish biss bisy biys brhs brih bris brrr brrs brsb brsr bry- bshs bysb bysi byss bysy h-ii hbbs hbhs hbrs hbss hhhh hhhs hibi hihi hiis hiri hirs hisb hish hiss hrhs hrib hryb hshs i-by ibis ibri ibss ibyi ihis ihss iiii iiis iirs iisi iisr irby irhs iri- iris iriy irri irrs ishi ishr ishs isis isri issh issi issr isss issy isys iysh rbbb rbbr rbbs rbhs rbis rbss rhhs rhib rhys rib- ribs riby rihs riis riri rirs rish risi riss rrhs rrrr rsbi rshs rsis ryhb ryis rysh rysy s-ib s-ii sbbs sbhs sbsi shbs shhh shhs shib shih shii shir shis shri shrs sibi sibs siby sihi sihr sihs siri sirr sirs sish sisi siss sisy siyi srby srhs srib sris ssbr ssby sshs ssis ssri ssrs sssb sssh sssi ssss syis syrs syry syss ybbs ybry yhis yirb yirr yiss ysby ysii yssh ysyb yyyy