-er bbb bbc bbd bbe bbf bbo bbr bcb bcc bcd bce bcf bco bcr bdb bdc bdd bde bdf bdo bdr be- beb bec bed bee bef beo ber bfb bfc bfd bfe bff bfo bfr bob boc bod boe bof boo bor brb brd bre brf bro brr c-- cbb cbc cbd cbe cbf cbo cbr ccb ccc ccd cce ccf cco ccr cdb cdc cdd cde cdf cdo cdr ce- ceb cec ced cee cef ceo cer cfb cfc cfd cfe cff cfo cfr co- cob coc cod coe cof coo cor crb crc crd cre crf cro crr dbb dbc dbd dbe dbf dbo dbr dcb dcc dcd dce dcf dco dcr ddb ddc ddd dde ddf ddo ddr de- deb dec ded dee def deo der dfb dfc dfd dfe dff dfo dfr dob doc dod doe dof doo dor drb drc drd dre dro drr ebb ebc ebd ebe ebf ebo ebr ec- ecb ecc ecd ece ecf eco ecr ed- edb edc edd ede edf edo edr eeb eec eed eee eef eeo eer ef- efb efc efd efe eff efo efr eo- eob eoc eod eoe eof eoo eor erb erc erd ere erf ero err fbb fbc fbd fbe fbf fbo fbr fcb fcc fcd fce fcf fco fcr fdb fdc fdd fde fdf fdo fdr feb fec fed fee fef feo fer ffc ffd ffe fff ffo ffr fob foc foe fof foo for frb frc frd fre frf fro frr ob- obb obc obd obe obf obo obr oc- ocb occ ocd ocf oco ocr odb odc odd ode odf odo odr oeb oec oed oee oef oeo oer of- ofb ofc ofd ofe off ofo ofr oo- oob ooc ood oof ooo oor or- orb orc ord ore orf oro orr rbb rbc rbd rbe rbf rbo rbr rcb rcc rcd rce rcf rco rcr rdb rdc rdd rde rdf rdo rdr re- reb rec red ree ref reo rer rfb rfc rfd rfe rff rfo rfr rob roc rod roe rof roo ror rrb rrc rrd rrf rrr

bbbb bbdd bbdo bbeb bbfc bbrc bcbc bccc bcde bcec bcer bcfc bcof bcor bd-r bdbc bddc bebb bebe bebo bede bedo beeb beed beef beer befe beff befo beo- beod beof beor berc berd bere bero berr bobb bobe bobo boce boco bodb bode bodo boec boee boef boeo boer bofd bofe boff boob booc bood booe boof boor bor- bord bore borf boro borr brcb brce brdo breb brec bred bree bref breo brer brfc brob broc brod broe broo bror brrr c-bo c-cd cbbc cbcc cbce cbcr cbdb cbdc cbdo cbec cbee cbef cber cbfb cbfc cbrd cbre ccbc cccb cccc cccf ccdc ccdf ccdr cced ccee ccfc ccfd ccff ccob ccoc ccod ccrc ccre ccrf cd-e cd-r cdbf cddb cddr cdec cdef cder cdfe cdre cec- cece ceco cedd cede cedo ceeb ceec cef- cefc ceor cer- cerc cerd cere cerf cero cfbc cfbr cfcb cfcf cfco cffb cffr cfor cfrb cfre cobb cobe cobo coce coco codd code coed cofc cofe coff coob cood coof cor- corb corc cord core corf coro corr crbc crcc crce crcr crdc cre- creb crec cred cree creo crfc crob croc crod croe croo cror d-bo dbcc dbfc dbfo dcbc dccb dccc dcdb dcfc dddd ddoc ddrc ddre debe dec- decc decd dece deco dedd dede dedo deeb deed deef deer defe deff defo deor der- derb derc dere derf dero derr dfcc dfco dfer dfoe dfrf dobb dobe doce doco dod- dodd dode dodo doer doff doob dood doof door dorc dord dore dorf doro dorr drbc dred dree dref drfc drob drod drof ebbc ebbo ebbr ebcc ebed eber ebfc eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecco ecdc ecdf eced ecef ecfc ecfr eco- ecod ecrc ecrf ecrr eddc edde eddo ede- eder edoc edod eede eeee eefe eeoc eerc eero efbr efco efeo efor eocd eode eore erbb erbe ercc erce erde erdf ereb erec ered erer erfc erob eroc erod eroe eroo errc erre erro fccf fdoc febo fece fede feeb feed feer fefc fefe feff fefo feod feof ferb ferc ferd fere fero ferr ffcc ffee ffff ffrr foce foco fode foed foer fofo food foof for- forb ford fore foro forr frbc frcc fred free freo frfc frob froe o-eo obbo obec obed ober oboe obor obre obro ocbc occc oce oced ocee ocef ocre ocro ocrr odbo oddd oded odeo oder odoo odor oec- oecc oedo oeec oere ofcr ofdr ofer off- offc offe offo offr ofor ofre oobe oocr ooer ooff oooo oord oore orbb orbe orbo orce orco orde ordo ore- oreb orec ored oreo orer orfe orff oro- oroe orof oror orro rbbb rbbr rcbc rcbo rccb rccc rcdc rcde rcfc rcrd rder rdoc rebb rebe rebo recc recd rece recr redc redd rede redo redr reeb reed reef refd refe reff refr reod reof rerd rere rero rfef rffc rob- robb robe robo rocc roce roco rodd rode rodo roed roer rofc rofe roff rofo roob rood roof roor rorc rore roro rred rrfc rrrr

b-e-d bbbee bcced bcdef bcode bd-re bdoor be-er be-ro bebdo bebed beber bebod becco bedde bedee beder bedof beebe beede beerd beffe befoe befor beode beofe beoff beord berbe berde berec bered berob beroe beror berre bo-bo boboc bobr bobre bocce bocor bodd- boded boder bodoc bodoe bodor boece boedo boero boffo booce booco boode booed booer boord boore borbo borce borde bordo borec bored boree borer boro- borod boroo borre borro brece bredd brede breed breef breer breo- breoc brerd brere brobo broce brodd brode brodo broer brood brrrr c-cor cbeff ccccc cebec ceber ceco- ceddo ceded ceder cedor cedr- cedre cedro ceede ceedo ceere cefor ceoce ceoor cerc- cerce cerco cerdo cerec cered cerer cero- ceroc cerre cerro co-bo co-co co-ed cobbe cobre cocc- cocce cocco coceo codco codde codec coded coder codo cofer coffe cofre coode