-ic bbb bbc bbh bbi bbo bbr bbs bby bcb bcc bch bci bco bcr bcs bcy bhb bhc bhh bhi bho bhr bhs bi- bib bic bih bii bio bir bis biy bob boc boh boi boo bor bos boy brb brh bri bro brr brs bry bsb bsc bsh bsi bso bsr bss bsy by- byc byh byi byo byr bys c-- cbb cbc cbh cbi cbo cbr cbs cby ccb ccc cch cci cco ccr ccs ch- chb chc chh chi cho chr chs chy ci- cib cic cih cii cio cir cis co- cob coc coh coi coo cor cos coy crb crc crh cri cro crr crs cry csb csc csh csi cso csr css csy cyb cyc cyo cyr cys h-i hbb hbc hbh hbi hbo hbr hbs hby hcb hcc hch hci hco hcr hcs hcy hhb hhc hhh hhi hho hhr hhs hhy hib hic hih hii hio hir his hob hoc hoh hoi hoo hor hos hoy hr- hrb hrc hrh hri hro hrr hrs hsb hsc hsh hsi hsr hss hsy hy- hyb hyc hyh hyi hyo hyr hys hyy ibb ibc ibh ibi ibo ibr ibs iby icb icc ich ici ico icr ics icy ihb ihc ihh ihi iho ihr ihs ihy iib iic iih iii iio iir iis io- iob ioc ioh ioi ioo ior ios ir- irb irc iri iro irr irs iry is- isb isc ish isi iso isr iss isy iyc iyo iyr iys iyy o-i ob- obb obc obh obi obo obr obs oby oc- ocb occ och oci oco ocr ocs ohc ohh ohi oho ohr ohs oib oic oii oio oir ois oo- oob ooc ooh ooi ooo oor oos or- orb orc orh ori oro orr ors ory os- osb osc osh osi oso osr oss oyi oyo oys rbb rbc rbh rbi rbo rbr rbs rcb rcc rch rci rco rcr rcs rh- rhb rhc rhh rhi rho rhr rhs rib ric rih rii rio rir ris riy rob roc roh roi roo ror ros roy rrb rrc rrh rri rrr rrs rsb rsc rsh rsi rso rsr rss ry- ryc ryo ryr rys ryy sbb sbc sbh sbi sbo sbr sbs sby scb scc sch sci sco scr scs sh- shb shc shh shi sho shr shs shy sib sic sih sii sio sir sis sob soc soh soi soo sor sos soy sr- srb src srh sri sro srr srs sry ss- ssb ssc ssh ssi sso ssr sss sy- syb syc syh syi syr sys ybc ybi ybr ybs yby ycc ych yci yco ycs ycy yhc yhi yhs yih yii yio yir yis yob yoc yoi yoo yor yos yoy yrc yro yrs ysb ysc ysi yso ysr yss ysy yyb yyc yys yyy

bbbb bbbs bbch bbci bbhs bboy bbrc bbyo bcbc bcbs bccc bcci bccs bchs bcis bcor bcos bcrs bcsc bcss bhcc bhhs bhir bhoi bhor bhoy bibb bibi bibo bibs bicc bich bici bico bics bihi bihs biis bio- bioc bioi bios birb biri biro birr birs biry bis- bisc bish biso biss bisy biys bobb bobi bobo bobs boby boch boco bocs boho bohr bohs bohy boi- boii bois boob booc booh boor boos bor- borh bori boro borr bors bory bosc bosh bosi boso boss boyi boyo boys brcb brhs bric brih brio bris brob broc broh broo bror bros brrr brrs brsb brsr bry- bryo bsci bscs bshs bsic bsos bssc bych byob byoc byoi byos bysb bysi byso byss bysy c-bo cbbc cbbs cbcc cbcr cbcs cbhs cbir cbrh cbry cbsc cbsi ccbc cccb cccc ccci cccs cchr cchs cchy ccic ccii ccir ccis ccob ccoc ccrc ccri ccrs ccsi ccss chch chci chcs chhs chib chic chih chir chis choc choh choi choo chor chos choy chrb chrc chro chrr chrs chsc chsh chsi chsr chy- chyc cibc cibi cibo cicc cich cici cico cicr cics cihr cihs ciii ciis ciob cior cios cirb circ cirh ciri ciro cirr cirs cis- cisc cish cisr ciss cisy cobb cobh cobi cobo cobs coby coch coco coho cohs coir cois coob cooh coos cor- corb corc cori coro corr cors cory cosc cosh cosi coso coss cosy coyo coyr coys crbc crcc crcr crhs crib cric cris crob croc croh croo cror croy crss cry- cryb cryo crys cscb cscc csch csci csco cscr cscs cshs csib csio csir csis csob csor csos csrc csrs cssr csys cybb cybc cybi cybo cyc- cycb cycc cycs cyrs cyy- cyyc h-ii hbbs hbhs hbic hbio hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hchi hchs hcis hcsc hcso hcss hhhh hhhs hi-c hibi hicc hich hico hics hihc hihi hiho hiis hiob hioc hiri hiro hirs hisb hish hiss hiyo hobo hobs hoby hoch hocr hocs hoho hoir hois hoor hoos horc hori horo horr hors hory hosh hoss hoyi hoys hrhs hrib hrob hros hrrc hrso hryb hsbc hscc hsci hshs hsob hybo hyo- i-by ibcs ibis ibos ibrc ibri ibro ibss ibyi icbc icbs iccb iccc icci icco iccr iccs ichc ichi icho ichr ichs ichy icis icoc icor icos icrc icrr icrs icry icsb icsc icsh icsi icsr icss ihcc ihis ihob ihrc ihss iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iobi ioby ioci ioii ioio iooi iooo ioos iori iors ioso irby ircc ircs irhs iri- iric irio iris iriy irob iroc iroh irrc irri irrs iscc isch isci isco iscr iscs ishi ishr ishs isic isis iso- isoc isor isos isri issc issh issi isso issr isss issy isys iyos iysh obbo obby obhs obis oboi obor obos oboy obrh obri obro obsr obss ocbc occc occi ochi ochs ocis ocos ocro ocrr ocrs ocys ohcc ohhi ohho ohhs ohio ohis ohob ohoh ohos ohso ohss ohyo oici oiii oios oiry oisc oobi ooby oocr ooho oohs oooh oooo ooos oory oosi orbb orbi orbo orbs orby orch orci