-er -ic bbb bbc bbe bbg bbi bbo bbr bcb bcc bce bcg bci bco bcr bcv be- beb bec bee beg bei beo ber bev bgb bgc bge bgg bgi bgo bgr bgv bi- bib bic bie big bii bio bir biv bob boc boe bog boi boo bor bov brb bre brg bri bro brr brv bvb bvc bve bvg bvi bvo bvr bvv c-- cbb cbc cbe cbg cbi cbo cbr cbv ccb ccc cce ccg cci cco ccr ccv ce- ceb cec cee ceg cei ceo cer cev cgb cgc cge cgg cgi cgo cgr cgv ci- cib cic cie cig cii cio cir civ co- cob coc coe cog coi coo cor cov crb crc cre crg cri cro crr crv cvb cvc cve cvg cvi cvo cvr cvv ebb ebc ebe ebg ebi ebo ebr ebv ec- ecb ecc ece ecg eci eco ecr ecv eeb eec eee eeg eeo eer eev egb egc ege egg egi ego egr eib eic eie eig eii eio eir eiv eo- eob eoc eoe eog eoi eoo eor erb erc ere erg eri ero err erv evb evc eve evg evi evo evr evv gbc gbe gbg gbi gbo gbr gbv gcb gcc gce gcg gci gco gcr ge- geb gec gee geg gei geo ger gev ggb ggc ggg ggi ggo ggr ggv gib gic gie gig gii gio gir giv gob goc goe gog goi goo gor gov grb grc gre grg gri gro grr grv gvb gvc gve gvg gvi gvo gvr i-v ibb ibc ibe ibg ibi ibo ibr ibv icb icc ice icg ici ico icr icv ie- iec iee ieg iei ier iev igb igc ige igg igi igo igr iib iic iie iii iio iir io- iob ioc ioe iog ioi ioo ior iov ir- irb irc ire irg iri iro irr irv ivb ivc ive ivg ivi ivo ivr ivv o-i ob- obb obc obe obg obi obo obr obv oc- ocb occ ocg oci oco ocr ocv oeb oec oee oeg oei oeo oer ogc oge ogg ogi ogo oib oic oie oii oio oir oiv oo- oob ooc oog ooi ooo oor oov or- orb orc ore org ori oro orr orv ov- ovb ovc ove ovi ovo ovv rbb rbc rbe rbg rbi rbo rbr rcb rcc rce rcg rci rco rcr rcv re- reb rec ree reg rei reo rer rev rgb rgc rge rgg rgi rgo rgr rgv rib ric rie rig rii rio rir riv rob roc roe rog roi roo ror rov rrb rrc rrg rri rrr rvb rvc rve rvg rvi rvo rvr rvv v-e vbc vbg vbi vbo vbr vbv vcc vce vci vco vcr veb vec vee veg vei veo ver vgc vgg vgo vgr vi- vib vic vie vig vii vio vir viv vob voc voe vog voi voo vor vov vrb vrc vre vrg vri vrr vvb vvc vvg vvi vvo vvr vvv

bbbb bbci bbeb bbrc bbrg bcbc bcbg bccc bcci bcec bcer bcie bcor bcvo bebb bebe bebi bebo beci beeb beeg beer begg begi bego beic beir beo- beor berc bere berg beri bero berr bevo bibb bibe bibi bibo bicc bice bicg bici bico bieb bier bigb bigc bige bigg bigo bio- bioc biog bioi birb bire birg biri biro birr bive bivi bobb bobe bobi bobo boce boco boec boee boeo boer boge bogg bogi bogo boi- boie boii boob booc booe boog boor bor- bore borg bori boro borr bove bovi bovo brcb brce breb brec bree breg brei breo brer brev bric brie brig brio brob broc broe brog broo bror brrr brvi c-bo cbbc cbcc cbce cbcr cbec cbee cber cbgb cbir cbre cbvb cbve cbvg cbvr ccbc cccb cccc ccci cccv ccee ccgc ccic ccii ccir cciv ccob ccoc ccrc ccre ccrg ccri ccvi ccvo cec- cece ceci ceco ceeb ceec cege cego ceor cer- cerc cere ceri cero cevo cgcc cgcg cger cgro cibc cibe cibi cibo cicc cici cico cicr ciee cier cigi ciii ciob cior cirb circ cire ciri ciro cirr civc cive civo cobb cobe cobi cobo coce coco cogi cogo coir coob cor- corb corc core corg cori coro corr cove covo crbc crcc crce crcr cre- creb crec cree creg crei creo crib cric crie crig crob croc croe croo cror cvcc cver cvii cvrg cvrr ebbc ebbo ebbr ebcc eber ebic eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecci ecco ecib ecig eco- ecog ecrc ecri ecrr ecrv eeee eeoc eerc eerg eero egbe egcc egcg egcr egec egee eger eggb egge eggi eggo egir ego- egoi egor egov egre egri eico eiec eiei eier eige eigg eire eoir eore eori erbb erbe ercc erce ereb erec erei erer erev erg- ergg ergi ergo eric erie erio erob eroc eroe eroi eroo errc erre erro erve ervi ever evie evir evoe evoo evre gbbo gc-c gcbc gccc gcic gcii gciv gcov gcrg gebe gebi gece geer gege gegg gego geic geie geig geir geo- geog gerb gere geri gero geve gevo gggg gibb gibe gicr gier gige gigg gigi gigo giog gioi gire girg giri giro girr give gobe gobi gobo goce gocr goer gogi gogo goog gooi goor gorb gore gorg gori goro gorr gove govi grbr grcc grce greb grec gree greg grev grib gric grie grig grob groc grog groi groo gror grov grrr grve gvvv i-be i-go ibec ibeg ibge ibie ibrc ibri ibro icbc iccb iccc icci icco iccr icec icee icer 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 iree irer iri- iric irie irig irio irob iroc irov irrc irre irri ivbv ivec iver ivic ivie ivig ivor ivre o-eo obbo obec ober obie oboe oboi obor obre obri obro obvi