-er -ol bbb bbc bbe bbf bbg bbl bbo bbr bcb bcc bce bcf bcg bcl bco bcr be- beb bec bee bef beg bel beo ber bfb bfc bfe bff bfg bfl bfo bfr bgb bgc bge bgf bgg bgl bgo bgr blb blc ble blf blg bll blo blr bob boc boe bof bog bol boo bor brb bre brf brg brl bro brr c-- cbb cbc cbe cbf cbg cbl cbo cbr ccb ccc cce ccf ccg ccl cco ccr ce- ceb cec cee cef ceg cel ceo cer cfb cfc cfe cff cfg cfl cfo cfr cgb cgc cge cgg cgl cgo cgr cl- clb clc cle clf clg cll clo clr co- cob coc coe cof cog col coo cor crb crc cre crf crg crl cro crr ebb ebc ebe ebf ebg ebl ebo ebr ec- ecb ecc ece ecf ecg ecl eco ecr eeb eec eee eef eeg eel eeo eer ef- efb efc efe eff efg efl efo efr egb egc ege egf egg egl ego egr elb elc ele elf elg ell elo elr eo- eob eoc eoe eof eog eol eoo eor erb erc ere erf erg erl ero err fbb fbc fbe fbf fbg fbl fbo fbr fcb fcc fce fcf fcg fcl fco fcr feb fec fee fef feg fel feo fer ffc ffe fff ffg ffl ffo ffr fgb fgc fge fgf fgg fgl fgr flb flc fle flf flg fll flo flr fob foc foe fof fog fol foo for frb frc fre frf frg frl fro frr gbc gbe gbf gbg gbl gbo gbr gcb gcc gce gcf gcg gcl gco gcr ge- geb gec gee gef geg gel geo ger gfb gfc gfe gff gfl gfo gfr ggb ggc ggg ggo ggr glb glc gle glf glg gll glo glr gob goc goe gof gog gol goo gor grb grc gre grf grg grl gro grr lbb lbc lbe lbf lbg lbl lbo lbr lcb lcc lce lcf lcg lcl lco lcr leb lec lee lef leg lel leo ler lfb lfc lfe lff lfg lfl lfo lfr lgb lgc lge lgf lgg lgl lgo lgr llb llc lle llf llg lll llo llr lob loc loe lof log lol loo lor lrb lrc lrf lrg lro lrr ob- obb obc obe obf obg obl obo obr oc- ocb occ ocf ocg ocl oco ocr oeb oec oee oef oeg oel oeo oer of- ofb ofc ofe off ofg ofl ofo ofr ogc oge ogf ogg ogl ogo olb olc ole olf olg oll olo oo- oob ooc oof oog ool ooo oor or- orb orc ore orf org orl oro orr rbb rbc rbe rbf rbg rbl rbo rbr rcb rcc rce rcf rcg rcl rco rcr re- reb rec ree ref reg rel reo rer rfb rfc rfe rff rfg rfl rfo rfr rgb rgc rge rgf rgg rgo rgr rlc rle rlf rlg rll rlo rlr rob roc roe rof rog rol roo ror rrb rrc rrf rrg rrl rrr

bbbb bbeb bbfc bblb bbrc bbrg bcbc bcbg bccc bccl bcec bcer bcfc bcof bcor bebb bebe bebo beeb beef beeg beel beer befe beff befo begg bego bele belg bell belo beo- beof beor berc bere berg bero berr bffl bfgf bgfc bleb blee bleg bleo blfc blob bloc blog bloo blrc blrg bobb bobe bobo boce boco boec boee boef boel boeo boer bofe boff boge bogg bogo bole bolg boll bolo boob booc booe boof boog bool boor bor- bore borf borg boro borr brcb brce breb brec bree bref breg brel breo brer brfc brob broc broe brog brol broo bror brrr c-bo cbbc cbcc cbce cbcl cbcr cbec cbee cbef cber cbfb cbfc cbgb cblb cblc cbol cbre cbrl ccbc cccb cccc cccf cccl ccee ccel ccfc ccff ccfl ccgc cclc cclg ccob ccoc ccrc ccre ccrf ccrg ccrl cec- cece ceco ceeb ceec ceel cef- cefc cege cego cel- celc cele celf cell celo ceol ceor cer- cerc cere cerf cerl cero cfbc cfbr cfcb cfcf cfcl cfco cffb cffr cfgo cfor cfrb cfre cfrg cgcc cgcg cgel cger cgfc cgro clec clee clef cleg cleo cler clob cloe clof clog cloo clor clro cobb cobe cobo coce coco coel cofc cofe coff cogo col- colb cole coll colo coob coof cool cor- corb corc core corf corg corl coro corr crbc crcc crce crcr cre- creb crec cree creg creo crfc crfl crlf crob croc croe crol croo cror e-cl ebbc ebbo ebbr ebcc ebel eber ebfc eboe ebol eboo ebor ebro ecbc ecbe eccb eccc ecce eccl ecco ecef ecfc ecfr eco- ecog ecol ecrc ecrf ecrl ecrr eeee eefe eefl eele eeoc eerc eerg eero ef-g efbr efco efeo efor egbe egcc egcg egcr egec egee egel eger egfr eggb egge eggo eglc egle ego- egol egor egre el-b elbe elbo elcb elce elco elec elee elef eleo eler elfc elfe elgg elle ello elog elro eole eolo eore eorl erbb erbe ercc erce ereb erec erel erer erfc erg- ergg ergo erle erll erob eroc eroe erol eroo errc erre erro fble fccf febo fece feeb feel feer fefc fefe feff fefo fege fegg fele felf fell felo feof ferb ferc fere fero ferr ffcc ffee ffff ffrr flcl flee fleg fler flob floc floe flog floo flor foce foco foer fofo foge fogg fogl fogo folc fole foll folo folr foof fool for- forb fore forg forl foro forr frbc frcc free freo frfc frob froe frog frol gbbo gbfc gc-c gcbc gccc gccf gcfc gclc gcrg gebe gece geel geer gefe gege gegg gegl gego gelb gele gelf gelg gell gelo geo- geof geog geol gerb gere gerl gero gfcf gfer gfor ggcl ggfg gggg glbc glcc glce gleb glee gleg gleo glfc glge glob glof glog glor glrb glro gobe gobl gobo goce gocr goef goel goer gofe goff gofr gogo gole golf goll golo goof goog gool