-ic bbb bbc bbd bbi bbr bbs bbt bby bcb bcc bcd bci bcr bcs bct bcy bdb bdc bdd bdi bdr bds bdt bdy bi- bib bic bid bii bir bis bit biy brb brd bri brr brs brt bry bsb bsc bsd bsi bsr bss bst bsy btb btc btd bti btr bts btt bty by- byc byd byi byr bys byt c-- cbb cbc cbd cbi cbr cbs cbt cby ccb ccc ccd cci ccr ccs cct cdb cdc cdd cdi cdr cds cdt cdy ci- cib cic cid cii cir cis cit crb crc crd cri crr crs crt cry csb csc csd csi csr css cst csy ctb ctc ctd cti ctr cts ctt cty cyb cyc cyd cyr cys cyt dbb dbc dbd dbi dbr dbs dbt dby dcb dcc dcd dci dcr dcs dct ddb ddc ddd ddi ddr dds ddt ddy di- dib dic did dii dir dis dit diy drb drc drd dri drr drs drt dry dsb dsc dsd dsi dsr dss dst dsy dtb dtc dtd dti dtr dts dtt dty dy- dyb dyc dyd dyr dys dyy i-d ibb ibc ibd ibi ibr ibs ibt iby icb icc icd ici icr ics ict icy idb idc idd idi idr ids idt idy iib iic iid iii iir iis iit ir- irb irc ird iri irr irs irt iry is- isb isc isd isi isr iss ist isy itb itc itd iti its itt ity iyc iyr iys iyt iyy rbb rbc rbd rbi rbr rbs rbt rcb rcc rcd rci rcr rcs rct rdb rdc rdd rdi rdr rds rdt rdy rib ric rid rii rir ris rit riy rrb rrc rrd rri rrr rrs rrt rsb rsc rsd rsi rsr rss rst rtb rtc rtd rti rtr rts rtt rty ry- ryc ryd ryr rys ryy sbb sbc sbd sbi sbr sbs sbt sby scb scc scd sci scr scs sct sdb sdc sdd sdi sdr sds sdt sdy sib sic sid sii sir sis sit sr- srb src srd sri srr srs srt sry ss- ssb ssc ssd ssi ssr sss sst stb stc std sti str sts stt sty sy- syb syc syd syi syr sys syt tbb tbc tbd tbi tbr tbs tbt tcb tcc tcd tci tcr tcs tct tdb tdc tdd tdi tdr tds tdt tdy tib tic tid tii tir tis tit tiy trb trc trd tri trr trs trt try tsb tsc tsd tsi tsr tss tst tsy ttb ttc ttd tti ttr tts ttt tty tyc tyd tyr tys tyt ybc ybi ybr ybs yby ycc ycd yci ycs ycy yds ydt ydy yid yii yir yis yit yrc yrs yrt ysb ysc ysi ysr yss yst ysy ytc ytd ytr yts ytt yyb yyc yys yyt yyy

bbbb bbbs bbci bbdd bbrc bcbc bcbs bccc bcci bccs bcds bcis bcit bcrs bcsc bcss bctc bcts bd-r bdbc bddc bdii bdry bdsd bibb bibi bibs bicc bici bics bidi bidr bids biis birb bird biri birr birs birt biry bis- bisc bisd biss bist bisy bitc bitd bits bitt biys brcb brds brdt brdy bric brid bris brit brrr brrs brsb brsr brst brtc bry- bryd bsbd bsci bscs bsic bsrd bssc bssd bsts btcc btcs btdt btrc btrt btry btss bttb byit byrd byrt bysb bysi byss byst bysy byts byyd c-cd cbbc cbbs cbcc cbcr cbcs cbct cbdb cbdc cbdi cbds cbid cbir cbit cbrd cbrt cbry cbsc cbsi cbtc cbyt ccbc cccb cccc ccci cccs ccdc ccdi ccdr ccds ccic ccid ccii ccir ccis ccrc ccri ccrs ccrt ccsd ccsi ccss ccst cctb cctc cctt cd-r cdcs cddb cddr cdic cdii cdis cdrs cdss cibc cibi cicc cici cicr cics cict cidc cidi cidr cids cidt ciid ciii ciis ciit cirb circ ciri cirr cirs cirt cis- cisc cisd cisr ciss cist cisy citb citi cits citt city crbc crcc crcr crdc crib cric cris crit crrt crss crst crtc crts cry- cryb crys cscb cscc cscd csci cscr cscs csdb csdr csib csid csir csis csit csrc csrd csrs cssd cssr cstc cstd cstr csts csys ctbi ctbs ctic ctrc ctrs ctsc ctss ctts cybb cybc cybi cyc- cycb cycc cycs cyds cyrs cyrt cyst cyt- cytb cyy- cyyc dbcc dbcs dbit dbrs dbss dbtt dc-y dcbc dccb dccc dcci dccs dcct dcdb dcds dcii dcis dcsc dcss dctc dcts dddd ddrc ddry ddss ddts dibb dibs diby dici dict dicy didi dids didy diii diis dird dirr dirs dirt dis- disc disd disi diss dist disy diti dits ditt diyi drbc drib dric drit drrs dry- drys dsbc dscc dscr dscs dsdr dsrc dsri dsrr dssc dssi dsst dstc dsts dtcc dtss dybt dycd dydd dyit dyr- dyrb dyrc dyri dyrt dys- dysi dysr dyss dyst dyt- dytc dyty dyyr i-by ibcs ibid ibis ibrc ibrd ibri ibss ibtb ibtc ibts ibyi icbc icbd icbs iccb iccc icci iccr iccs icct icdc icdd icis icrc icrr icrs icrt icry icsb icsc icsd icsi icsr icss icst icts idcr idic idid idir idis idrc idsc idss idts iicd iiii iiis iiit iirc iirs iisc iisd iisi iisr iist iitr iitt irby ircc ircd ircs irdc irds iri- iric irid iris iriy irrc irri irrs irti irts isbd isbt iscc iscd isci iscr iscs isct isdb isdc isds isic isis isit isri issc issi issr isss issy istc istd isti istr ists isty isys itbs itby itcs itic itis itri itrs itry itsi itsy itty rbbb rbbr rbbs rbds rbis rbsd rbss rbst rcbc rccb rccc rccs rcdc rcds rcic rcid rcis rcrd rcsc rcsd rcsi rcss rctc rcti rcts rcyc rib- ribs riby ricc rics rict ridc ridd ridi rids riis riri rirs risc risd risi riss rist riti rits ritt rrrr rsbi rscc rscs rscy rsdd rsds rsid rsis rsts rtcc rtdt rtss rtts rydy ryis rysy rytt ryyt s-ib s-ic s-ii sbbs sbcc sbcs sbct sbds sbic sbsd sbsi sbst sbtc scbi sccc