bbbb bbbs bbhs bbpr bhhs bhir bibb bibi bibs bihi bihs biis bipp bips birb biri birr birs bis- bish bisp biss bphs brhs brih bris brrr brrs brsb brsr bshs bspp bspr h-ii hbbs hbhs hbrs hbss hhhh hhhs hhip hibi hihi hiis hipp hips hiri hirs hisb hish hiss hphs hpps hpss hrhs hrib hrip hrpp hrps hshs hsps hssp ibis ibri ibss ihis ihss iiii iiis iirs iisi iisp iisr iphr ippr ipri ipsi ipsp ipss irbp irhs iri- irip iris irps irri irrs irsp ishi ishr ishs isis ispr isps isri isrp issh issi issp issr isss pbhs pbrs pbsp phbs phhs phi- phip phis phrr phrs pibb pibi piip pipi pipp pips piri pirr pirs pish pisi piss pphi pphs ppib ppih pppp ppps ppsh ppss prbs prhs pri- prii pris prps prri prrs prsi prss psbr pshs psip psis psph pspi pspp pspr psps psrp rbbb rbbr rbbs rbhs rbis rbsp rbss rhhs rhib rib- ribs rihs riis ripi ripp ripr rips riri rirs rish risi risp riss rphs rpii rpps rrhs rrrr rrsp rsbi rshs rsis rspb rsps s-ib s-ii sbbs sbhs sbsi sbsp shbs shhh shhs shib shih shii ship shir shis shps shri shrp shrs sibi sibs sihi sihr sihs sipi sipp sips siri sirp sirr sirs sish sisi siss sphr sphs spib spip spir spis spps spri sprs spsp spss srhs srib sris srps srsp ssbr sshs ssis ssps ssri ssrs sssb sssh sssi ssss