-er bbb bbc bbd bbe bbo bbr bbt bcb bcc bcd bce bco bcr bct bcv bdb bdc bdd bde bdo bdr bdt bdv be- beb bec bed bee beo ber bet bev bob boc bod boe boo bor bot bov brb brd bre bro brr brt brv btb btc btd bte bto btr btt btv bvb bvc bvd bve bvo bvr bvt bvv c-- cbb cbc cbd cbe cbo cbr cbt cbv ccb ccc ccd cce cco ccr cct ccv cdb cdc cdd cde cdo cdr cdt cdv ce- ceb cec ced cee ceo cer cet cev co- cob coc cod coe coo cor cot cov crb crc crd cre cro crr crt crv ctb ctc ctd cte cto ctr ctt ctv cvb cvc cvd cve cvo cvr cvt cvv dbb dbc dbd dbe dbo dbr dbt dbv dcb dcc dcd dce dco dcr dct dcv ddb ddc ddd dde ddo ddr ddt de- deb dec ded dee deo der det dev dob doc dod doe doo dor dot dov drb drc drd dre dro drr drt drv dtb dtc dtd dte dto dtr dtt dtv dvb dvc dvd dve dvr dvt ebb ebc ebd ebe ebo ebr ebt ebv ec- ecb ecc ecd ece eco ecr ect ecv ed- edb edc edd ede edo edr edt eeb eec eed eee eeo eer eet eev eo- eob eoc eod eoe eoo eor eot erb erc erd ere ero err ert erv etb etc etd ete eto etr ett etv evb evc evd eve evo evr evt evv ob- obb obc obd obe obo obr obt obv oc- ocb occ ocd oco ocr oct ocv odb odc odd ode odo odr odt odv oeb oec oed oee oeo oer oet oo- oob ooc ood ooo oor oot oov or- orb orc ord ore oro orr ort orv ot- otb otc otd ote oto otr ott otv ov- ovb ovc ovd ove ovo ovv rbb rbc rbd rbe rbo rbr rbt rcb rcc rcd rce rco rcr rct rcv rdb rdc rdd rde rdo rdr rdt rdv re- reb rec red ree reo rer ret rev rob roc rod roe roo ror rot rov rrb rrc rrd rrr rrt rtb rtc rtd rte rto rtr rtt rtv rvb rvc rvd rve rvo rvr rvt rvv tbb tbc tbd tbe tbo tbr tbt tbv tcb tcc tcd tce tco tcr tct tcv tdb tdc tdd tde tdo tdr tdt tdv te- teb tec ted tee teo ter tet tev to- tob toc tod toe too tor tot tov trb trc trd tre tro trr trt trv ttb ttc ttd tte tto ttr ttt ttv tvb tvc tvd tve tvo tvr tvt v-e vbc vbd vbo vbr vbv vcc vcd vce vco vcr vct vdb vdc vdd vde vdo vdr vdt vdv veb vec ved vee veo ver vet vob voc vod voe voo vor vot vov vrb vrc vrd vre vrr vrt vtb vtc vte vto vtr vtt vtv vvb vvc vvo vvr vvt vvv

bbbb bbdd bbdo bbeb bbet bbrc bcbc bccc bcde bcec bcer bcet bcor bctc bcvo bd-r bdbc bddc bebb bebe bebo bede bedo beeb beed beer beet beo- beod beor beot berc berd bere bero berr bert betc bete beto bett betv bevo bobb bobe bobo boce boco bodb bode bodo boec boee boeo boer boet boob booc bood booe boor boot bor- bord bore boro borr bort botb botd bote boto bott bove bovo brcb brce brdo brdt breb brec bred bree breo brer bret brev brob broc brod broe broo bror brot brrr brtc btcc btdt btec btob btor btrc btrt bttb c-bo c-cd cbbc cbcc cbce cbcr cbct cbdb cbdc cbdo cbec cbee cber cbet cbot cbrd cbre cbrt cbtc cbtv cbvb cbve cbvr ccbc cccb cccc cccv ccdc ccdr cced ccee ccob ccoc ccod ccrc ccre ccrt cctb cctc cctt cctv ccvo cd-e cd-r cddb cddr cdec cder cdot cdre cdtv cdvd cec- cece ceco cect cedd cede cedo cedt ceeb ceec ceor cer- cerc cerd cere cero cert cet- cete ceto cetv cevo cobb cobe cobo coce coco coct codd code coed coob cood coot cor- corb corc cord core coro corr cort cotb cotc cote coto cott cove covo crbc crcc crce crcr crdc cre- creb crec cred cree creo cret crob croc crod croe croo cror crot crrt crtc crtv ctec ctor ctot ctrc ctvo ctvt cvcc cver cvet cvrd cvrr cvte d-bo d-tv dbcc dbtt dcbc dccb dccc dcct dccv dcdb dctc dctv dcvd dddd ddoc ddot ddrc ddre ddtv debe debt dec- decc decd dece deco dect dedd dede dedo deeb deed deer deet deev deor der- derb derc dere dero derr derv dete deto detr deve devo dobb dobe doce doco doct dod- dodd dode dodo doer doob dood door doot dorc dord dore doro dorr dort dotd dote doto dott dove drbc dred dree dret drev drob drod drot dtcc dted dtor dtot dvdr dvor ebbc ebbo ebbr ebcc ebed eber eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecco ecct ecdc eced eco- ecod ecot ecrc ecrr ecrv ect- ectc ecto ectv eddc edde eddo ede- eder edoc edod edtv edve eede eeee eeoc eerc eero eetc eete eocd eode eore eotc eotd eoto erbb erbe ercc erce erde ereb erec ered erer eret erev erob eroc erod eroe eroo errc erre erro erve etbc etbr etcc etco etec etee eter etoe etre etro ette etto etvo evdb ever evet evoe evoo evre o-eo obbo obdt obec obed ober obet oboe obor obot obre obro obtd ocbc occc occt oce oced ocee ocet ocre ocro ocrr oct- octe octo odbo oddd oded odeo oder odet odoo odor odot oec- oecc oedo oeec oere oobe oocr ooer oooo oord oore oort ootb orbb orbe orbo orce orco orde ordo ore- oreb orec ored oreo orer oro- oroe oror orot orro ortc orte orto orve orvr otbd otcd oted otee oter oto- otoe otoo otor otov