-er -ic bbb bbc bbe bbg bbi bbo bbr bbx bcb bcc bce bcg bci bco bcr bcx be- beb bec bee beg bei beo ber bex bgb bgc bge bgg bgi bgo bgr bgx bi- bib bic bie big bii bio bir bix bob boc boe bog boi boo bor box brb bre brg bri bro brr brx bxb bxi bxo bxx c-- cbb cbc cbe cbg cbi cbo cbr cbx ccb ccc cce ccg cci cco ccr ccx ce- ceb cec cee ceg cei ceo cer cex cgb cgc cge cgg cgi cgo cgr ci- cib cic cie cig cii cio cir cix co- cob coc coe cog coi coo cor cox crb crc cre crg cri cro crr crx cxc cxi cxo cxr cxx ebb ebc ebe ebg ebi ebo ebr ebx ec- ecb ecc ece ecg eci eco ecr ecx eeb eec eee eeg eeo eer eex egb egc ege egg egi ego egr egx eib eic eie eig eii eio eir eix eo- eob eoc eoe eog eoi eoo eor erb erc ere erg eri ero err ex- exc exe exi exo exr exx gbc gbe gbg gbi gbo gbr gbx gcb gcc gce gcg gci gco gcr ge- geb gec gee geg gei geo ger gex ggb ggc ggg ggi ggo ggr gib gic gie gig gii gio gir gob goc goe gog goi goo gor gox grb grc gre grg gri gro grr grx ibb ibc ibe ibg ibi ibo ibr ibx icb icc ice icg ici ico icr ie- iec iee ieg iei ier iex igb igc ige igg igi igo igr iib iic iie iii iio iir iix io- iob ioc ioe iog ioi ioo ior ir- irb irc ire irg iri iro irr irx ixc ixe ixi o-i ob- obb obc obe obg obi obo obr obx oc- ocb occ ocg oci oco ocr ocx oeb oec oee oeg oei oeo oer oex ogc oge ogg ogi ogo ogx oib oic oie oii oio oir oo- oob ooc oog ooi ooo oor oox or- orb orc ore org ori oro orr orx ox- oxb oxc oxi oxo oxx rbb rbc rbe rbg rbi rbo rbr rbx rcb rcc rce rcg rci rco rcr rcx re- reb rec ree reg rei reo rer rex rgb rgc rge rgg rgi rgo rgr rgx rib ric rie rig rii rio rir rix rob roc roe rog roi roo ror rox rrb rrc rrg rri rrr rxr xbc xbe xbr xbx xcb xci xcr xcx xee xeg xer xex xge xgi xic xie xii xio xix xoc xog xoi xoo xor xox xrc xrx xxi xxo xxx

bbbb bbci bbeb bbox bbrc bbrg bcbc bcbg bccc bcci bcec bcer bcie bcor bebb bebe bebi bebo beci beeb beeg beer begg begi bego beic beir beo- beor berc bere berg beri bero berr bibb bibe bibi bibo bicc bice bicg bici bico bieb bier bigb bigc bige bigg bigo bio- bioc biog bioi biox birb bire birg biri biro birr birx bixi bobb bobe bobi bobo boce boco boec boee boeo boer boge bogg bogi bogo boi- boie boii boob booc booe boog boor boox bor- bore borg bori boro borr brcb brce breb brec bree breg brei breo brer brex bric brie brig brio brix brob broc broe brog broo bror brox brrr c-bo cbbc cbcc cbce cbcr cbec cbee cber cbgb cbir cbox cbre ccbc cccb cccc ccci ccee ccgc ccic ccii ccir ccix ccob ccoc ccrc ccre ccrg ccri ccxi cec- cece ceci ceco ceeb ceec cege cego ceor cer- cerc cere ceri cero cexe cgcc cgcg cger cgro cibc cibe cibi cibo cicc cici cico cicr ciee cier cigi ciii ciob cior cirb circ cire ciri ciro cirr cixi cobb cobe cobi cobo coce coco coex cogi cogo coir coix coob cor- corb corc core corg cori coro corr coxe crbc crcc crce crcr cre- creb crec cree creg crei creo crex crib cric crie crig crob croc croe croo cror cxii cxix cxro cxxi cxxx ebbc ebbo ebbr ebcc eber ebic ebix eboe eboo ebor ebox ebro ecbc ecbe eccb eccc ecce ecci ecco ecib ecig eco- ecog ecrc ecri ecrr eeee eeoc eerc eerg eero egbe egcc egcg egcr egec egee eger eggb egge eggi eggo egir ego- egoi egor egre egri eico eiec eiei eier eige eigg eire eoir eore eori er-x erbb erbe ercc erce ereb erec erei erer erg- ergg ergi ergo eric erie erio erob eroc eroe eroi eroo errc erre erro exco exec exer exge exgi exo- exor exrx gbbo gc-c gcbc gccc gcic gcii gcrg gebe gebi gece geer gege gegg gego geic geie geig geir geo- geog geox gerb gere geri gero gggg gibb gibe gicr gier gige gigg gigi gigo giog gioi gire girg giri giro girr gobe gobi gobo goce gocr goer gogi gogo goog gooi goor gorb gore gorg gori goro gorr grbr grcc grce greb grec gree greg grex grib gric grie grig grob groc grog groi groo gror grrr i-be i-go ibec ibeg ibex ibge ibie ibox ibrc ibri ibro icbc iccb iccc icci icco iccr icec icee icer icex icgc icoc icor icrc icre icrr iecc ieie ieio iere ieri igbc igbo igcc iger igoe igoo igor igri iiie iiii iiio iioi iioo iirc iobi iocg ioci ioee ioii ioio iooi iooo iore iorg iori irbe ircc ircg ircx iree irer irex iri- iric irie irig 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 ocre ocro ocrr oec- oecc oeec oegb oere ogb ogbe ogee oger ogge oggi ogog ogoi ogre ogri ogro oici oier oigo oiii oire oobe oobi oocr ooer oooo oore orbb orbe orbi orbo orce orci orco ore- oreb orec oreg oreo orer orex orge orgo ori- oric orie orig orio orix oro- oroe oror orri orro oxer oxi- oxic oxie oxo- oxox