bbbb bbbs bbch bbci bbhs bcbc bcbs bccc bcci bccs bchs bcis bcsc bcss bhcc bhhs bibb bibi bibs bicc bich bici bics bihi bihs biis bis- bisc bish biss bisy biys bsci bscs bshs bsic bssc bych bysb bysi byss bysy cbbc cbbs cbcc cbcs cbhs cbsc cbsi ccbc cccb cccc ccci cccs cchs cchy ccic ccii ccis ccsi ccss chch chci chcs chhs chib chic chih chis chsc chsh chsi chy- chyc cibc cibi cicc cich cici cics cihs ciii ciis cis- cisc cish ciss cisy cscb cscc csch csci cscs cshs csib csis csys cybb cybc cybi cyc- cycb cycc cycs cyy- cyyc h-ii hbbs hbhs hbic hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcss hhhh hhhs hi-c hibi hicc hich hics hihc hihi hiis hisb hish hiss hsbc hscc hsci hshs i-by ibcs ibis ibss ibyi icbc icbs iccb iccc icci iccs ichc ichi ichs ichy icis icsb icsc icsh icsi icss ihcc ihis ihss iiii iiis iisc iisi iscc isch isci iscs ishi ishs isic isis issc issh issi isss issy isys iysh s-ib s-ic s-ii sbbs sbcc sbcs sbhc sbhs sbic sbsi scbi sccc sccs sccy sch- schh schi schs sci- scic scis scsc scsh scsi shbs shcc shhh shhs shib shih shii shis shsc sibc sibi sibs siby sicc sich sici sics sihi sihs sisc sish sisi siss sisy siyi ssby sscc ssci sscs sshs ssis sssb sssc sssh sssi ssss sych syis syss ybbs yccc ycch ycsb yhis yiss ysby ysii yssh ysyb yyyy