-er -ic bbb bbc bbe bbf bbi bbo bbr bbx bcb bcc bce bcf bci bco bcr bcx be- beb bec bee bef bei beo ber bex bfb bfc bfe bff bfi bfo bfr bfx bi- bib bic bie bif bii bio bir bix bob boc boe bof boi boo bor box brb bre brf bri bro brr brx bxb bxi bxo bxx c-- cbb cbc cbe cbf cbi cbo cbr cbx ccb ccc cce ccf cci cco ccr ccx ce- ceb cec cee cef cei ceo cer cex cfb cfc cfe cff cfi cfo cfr cfx ci- cib cic cie cif cii cio cir cix co- cob coc coe cof coi coo cor cox crb crc cre crf cri cro crr crx cxc cxf cxi cxo cxr cxx ebb ebc ebe ebf ebi ebo ebr ebx ec- ecb ecc ece ecf eci eco ecr ecx eeb eec eee eef eeo eer eex ef- efb efc efe eff efi efo efr efx eib eic eie eif eii eio eir eix eo- eob eoc eoe eof eoi eoo eor erb erc ere erf eri ero err ex- exc exe exi exo exr exx fbb fbc fbe fbf fbi fbo fbr fbx fcb fcc fce fcf fci fco fcr fcx feb fec fee fef fei feo fer fex ffc ffe fff ffi ffo ffr ffx fib fic fie fif fii fir fix fob foc foe fof foi foo for fox frb frc fre frf fri fro frr fxe fxi fxr fxx i-f ibb ibc ibe ibf ibi ibo ibr ibx icb icc ice icf ici ico icr ie- iec iee ief iei ier iex ifb ifc ife iff ifi ifo ifr ifx iib iic iie iif iii iio iir iix io- iob ioc ioe iof ioi ioo ior ir- irb irc ire irf iri iro irr irx ixc ixe ixi o-i ob- obb obc obe obf obi obo obr obx oc- ocb occ ocf oci oco ocr ocx oeb oec oee oef oei oeo oer oex of- ofb ofc ofe off ofi ofo ofr ofx oib oic oie oif oii oio oir oo- oob ooc oof ooi ooo oor oox or- orb orc ore orf ori oro orr orx ox- oxb oxc oxf oxi oxo oxx rbb rbc rbe rbf rbi rbo rbr rbx rcb rcc rce rcf rci rco rcr rcx re- reb rec ree ref rei reo rer rex rfb rfc rfe rff rfi rfo rfr rib ric rie rif rii rio rir rix rob roc roe rof roi roo ror rox rrb rrc rrf rri rrr rxr xbc xbe xbr xbx xcb xcf xci xcr xcx xee xer xex xfe xfx xic xie xii xio xix xoc xof xoi xoo xor xox xrc xrf xrx xxi xxo xxx

bbbb bbci bbeb bbfc bbox bbrc bcbc bccc bcci bcec bcer bcfc bcie bcof bcor bebb bebe bebi bebo beci beeb beef beer befe beff befo beic beir beo- beof beor berc bere beri bero berr bibb bibe bibi bibo bicc bice bici bico bieb bief bier biff bifi bio- bioc bioi biox birb bire biri biro birr birx bixi bobb bobe bobi bobo boce boco boec boee boef boeo boer bofe boff boi- boie boii boob booc booe boof boor boox bor- bore borf bori boro borr brcb brce breb brec bree bref brei breo brer brex brfc bric brie brio brix brob broc broe broo bror brox brrr c-bo cbbc cbcc cbce cbcr cbec cbee cbef cber cbfb cbfc cbir cbox cbre ccbc cccb cccc cccf ccci ccee ccfc ccff ccfi ccic ccii ccir ccix ccob ccoc ccrc ccre ccrf ccri ccxi cec- cece ceci ceco ceeb ceec cef- cefc ceor cer- cerc cere cerf ceri cero cexe cfbc cfbr cfcb cfcf cfco cffb cffr cfix cfor cfox cfrb cfre cfrx cibc cibe cibi cibo cicc cici cico cicr ciee cier cife ciff ciii ciob cior cirb circ cire ciri ciro cirr cixi cobb cobe cobi cobo coce coco coex cofc cofe coff cofi coif coir coix coob coof cor- corb corc core corf cori coro corr coxe crbc crcc crce crcr cre- creb crec cree crei creo crex crfc crib cric crie crif crob croc croe croo cror cxii cxix cxro cxxi cxxx ebbc ebbo ebbr ebcc eber ebfc ebic ebix eboe eboo ebor ebox ebro ecbc ecbe eccb eccc ecce ecci ecco ecef ecfc ecfr ecib eco- ecrc ecrf ecri ecrr eeee eefe eeoc eerc eero efbr efco efeo effi efic efor eico eiec eiei eier eire eoir eore eori er-x erbb erbe ercc erce ereb erec erei erer erfc erfx eric erie erio erob eroc eroe eroi eroo errc erre erro exco exec exer exfo exif exo- exor exrx fccf fcic fcii febo fece feeb feer fefc fefe feff fefi fefo feie feio feir feof ferb ferc fere fero ferr ffcc ffee ffff ffii ffrr fibe ficc fice fico fiec fief fier fifc fife fiff fifi fifo fiii fioe fior fire fixe fixx foce foci foco foer fofo foie foix foof for- forb fore fori foro forr foxe foxx frbc frcc free frei freo frex frfc frib fric frie frio frob froe i-be ibec ibex ibfi ibie ibox ibrc ibri ibro icbc iccb iccc iccf icci icco iccr icec icee icef icer icex icfb icoc icor icrc icre icrf icrr iecc ieie ieio iere ieri ifbb ifco ifer ifex ific ifor ifrb ifrf ifri iiie iiii iiio iioi iioo iirc iobi ioci ioee iofc ioii ioio ioof iooi iooo iore iori irbe ircc ircx iree irer irex irfe iri- iric irie irio irix irob iroc irrc irre irri ixxi o-eo obbo obec ober obex obie obix oboe oboi obor obox obre obri obro ocbc occc occi oce ocee ocef ocre ocro ocrr oec- oecc oeec oere ofcr ofer off- offc offe offo offr ofor ofre oici oier oiii oire oobe oobi oocr ooer ooff oooo oore orbb orbe orbi orbo orce orci orco ore- oreb orec oreo orer orex orfe orff orfi ori- oric orie orif