-er bbb bbc bbd bbe bbo bbr bbs bcb bcc bcd bce bco bcr bcs bcv bdb bdc bdd bde bdo bdr bds bdv be- beb bec bed bee beo ber bes bev bob boc bod boe boo bor bos bov brb brd bre bro brr brs brv bsb bsc bsd bse bso bsr bss bsv bvb bvc bvd bve bvo bvr bvs bvv c-- cbb cbc cbd cbe cbo cbr cbs cbv ccb ccc ccd cce cco ccr ccs ccv cdb cdc cdd cde cdo cdr cds cdv ce- ceb cec ced cee ceo cer ces cev co- cob coc cod coe coo cor cos cov crb crc crd cre cro crr crs crv csb csc csd cse cso csr css csv cvb cvc cvd cve cvo cvr cvs cvv dbb dbc dbd dbe dbo dbr dbs dbv dcb dcc dcd dce dco dcr dcs dcv ddb ddc ddd dde ddo ddr dds de- deb dec ded dee deo der des dev dob doc dod doe doo dor dos dov drb drc drd dre dro drr drs drv dsb dsc dsd dse dso dsr dss dsv dvb dvc dvd dve dvr dvs ebb ebc ebd ebe ebo ebr ebs ebv ec- ecb ecc ecd ece eco ecr ecs ecv ed- edb edc edd ede edo edr eds eeb eec eed eee eeo eer ees eev eo- eob eoc eod eoe eoo eor eos erb erc erd ere ero err ers erv es- esb esc esd ese eso esr ess esv evb evc evd eve evo evr evs evv ob- obb obc obd obe obo obr obs obv oc- ocb occ ocd oco ocr ocs ocv odb odc odd ode odo odr ods odv oeb oec oed oee oeo oer oes oo- oob ooc ood ooo oor oos oov or- orb orc ord ore oro orr ors orv os- osb osc osd ose oso osr oss osv ov- ovb ovc ovd ove ovo ovs ovv rbb rbc rbd rbe rbo rbr rbs rcb rcc rcd rce rco rcr rcs rcv rdb rdc rdd rde rdo rdr rds rdv re- reb rec red ree reo rer res rev rob roc rod roe roo ror ros rov rrb rrc rrd rrr rrs rsb rsc rsd rse rso rsr rss rsv rvb rvc rvd rve rvo rvr rvs rvv sbb sbc sbd sbe sbo sbr sbs sbv scb scc scd sce sco scr scs scv sdb sdc sdd sde sdo sdr sds sdv se- seb sec sed see seo ser ses sev sob soc sod soe soo sor sos sov sr- srb src srd sre sro srr srs srv ss- ssb ssc ssd sse sso ssr sss ssv svb svc svd sve svo svr svs svv v-e vbc vbd vbo vbr vbs vbv vcc vcd vce vco vcr vcs vdb vdc vdd vde vdo vdr vds vdv veb vec ved vee veo ver ves vob voc vod voe voo vor vos vov vrb vrc vrd vre vrr vrs vsb vsc vsd vse vso vsr vss vsv vvb vvc vvo vvr vvs vvv

-ose bbbb bbbs bbdd bbdo bbeb bbrc bcbc bcbs bccc bccs bcde bcds bcec bcer bces bcor bcos bcrs bcsc bcss bcvo bd-r bdbc bddc bdes bdos bdsd bebb bebe bebo becs bede bedo beds beeb beed beer bees beo- beod beor beos berc berd bere bero berr bers bes- bese beso bess bevo bevs bobb bobe bobo bobs boce boco bocs bodb bode bodo bods boec boee boeo boer boes boob booc bood booe boor boos bor- bord bore boro borr bors bosc bose boso boss bove bovo brcb brce brdo brds breb brec bred bree breo brer bres brev brob broc brod broe broo bror bros brrr brrs brsb brsr bsbd bscs bseb bsec bsed bsee bser bses bsod bsos bsrd bssc bssd bsse bvds bvsc c-bo c-cd cbbc cbbs cbcc cbce cbcr cbcs cbdb cbdc cbdo cbds cbec cbee cber cbrd cbre cbsc cbse cbvb cbve cbvr ccbc cccb cccc cccs cccv ccdc ccdr ccds cced ccee ccob ccoc ccod ccrc ccre ccrs ccsd ccss ccvo ccvs cd-e cd-r cdcs cddb cddr cdec cder cdes cdos cdre cdrs cdss cdvd cebs cec- cece ceco cecs cedd cede cedo ceeb ceec cees ceor ceos cer- cerc cerd cere cero cers cesc cese cesr cess cevo cobb cobe cobo cobs coce coco codd code cods coed coes coob cood coos cor- corb corc cord core coro corr cors cosc cose coso coss cove covo crbc crcc crce crcr crdc cre- creb crec cred cree creo cres crob croc crod croe croo cror crss cscb cscc cscd csce csco cscr cscs csdb csdr csec csee cser csob csor csos csrc csrd csrs cssd csse cssr cvbs cvcc cver cvrd cvrr cvsd cvss d-bo dbcc dbcs dbos dbrs dbss dcbc dccb dccc dccs dccv dcdb dcds dcos dcsc dcss dcvd dddd ddes ddoc ddrc ddre ddss debe debs dec- decc decd dece deco decs dedd dede dedo deeb deed deer dees deev deor deos der- derb derc dere dero derr ders derv des- desc dese deso dess deve devo devs dobb dobe dobs doce doco docs dod- dodd dode dodo dods doer does doob dood door doos dorc dord dore doro dorr dors dose doso doss dove drbc dred dree dres drev drob drod drrs dsbc dscc dscr dscs dsdr dsos dsrc dsrr dssc dsvd dvbs dvcs dvdr dvds dvor dvrs dvsr ebbc ebbo ebbr ebbs ebcc ebed eber ebes eboe eboo ebor ebos ebro ecbc ecbe eccb eccc ecce ecco ecdc eced eces eco- ecod ecos ecrc ecrr ecrv ecsc ecse ecss eddc edde eddo edds ede- eder edes edoc edod edos edss edve eecs eede eeee eees eeoc eerc eero eers eese eocd eode eoes eore erbb erbe ercc erce erde erds ereb erec ered erer eres erev erob eroc erod eroe eroo eros errc erre erro errs erse erso erve esbo esbs escb esce esco escr escs esds esee eseo eser eses eso- esos esrd esse esso evdb ever