-er -ol bbb bbc bbe bbf bbg bbk bbl bbo bbr bcb bcc bce bcf bcg bck bcl bco bcr be- beb bec bee bef beg bek bel beo ber bfb bfc bfe bff bfg bfl bfo bfr bgb bgc bge bgf bgg bgk bgl bgo bgr bkb bkc bke bkf bkg bkk bkl bko bkr blb blc ble blf blg blk bll blo blr bob boc boe bof bog bok bol boo bor brb bre brf brg brk brl bro brr c-- cbb cbc cbe cbf cbg cbk cbl cbo cbr ccb ccc cce ccf ccg cck ccl cco ccr ce- ceb cec cee cef ceg cek cel ceo cer cfb cfc cfe cff cfg cfk cfl cfo cfr cgb cgc cge cgg cgl cgo cgr ckb ckc cko cl- clb clc cle clf clg clk cll clo clr co- cob coc coe cof cog cok col coo cor crb crc cre crf crg crk crl cro crr ebb ebc ebe ebf ebg ebk ebl ebo ebr ec- ecb ecc ece ecf ecg eck ecl eco ecr eeb eec eee eef eeg eek eel eeo eer ef- efb efc efe eff efg efl efo efr egb egc ege egf egg egl ego egr ekb ekc eke ekf ekg ekl eko ekr elb elc ele elf elg elk ell elo elr eo- eob eoc eoe eof eog eok eol eoo eor erb erc ere erf erg erk erl ero err fbb fbc fbe fbf fbg fbk fbl fbo fbr fcb fcc fce fcf fcg fck fcl fco fcr feb fec fee fef feg fek fel feo fer ffc ffe fff ffg ffk ffl ffo ffr fgb fgc fge fgf fgg fgl fgr fkb fkc fkf fkg fkk fkl flb flc fle flf flg fll flo flr fob foc foe fof fog fok fol foo for frb frc fre frf frg frk frl fro frr gbc gbe gbf gbg gbk gbl gbo gbr gcb gcc gce gcf gcg gck gcl gco gcr ge- geb gec gee gef geg gek gel geo ger gfb gfc gfe gff gfk gfl gfo gfr ggb ggc ggg ggo ggr gkb gko glb glc gle glf glg glk gll glo glr gob goc goe gof gog gok gol goo gor grb grc gre grf grg grk grl gro grr kbb kbc kbe kbf kbk kbl kbo kbr kcb kcc kce kcg kck kcl kcr ke- keb kec kee kef keg kek kel keo ker kfc kff kfg kfo kgb kgc kgf kgl kgo kkb kkc kke kkk kkl kkr kl- klb klc klf klg klo klr kob koc koe kof kog kok kol koo kor krc krf krg krk krl kro krr lbb lbc lbe lbf lbg lbk lbl lbo lbr lcb lcc lce lcf lcg lck lcl lco lcr leb lec lee lef leg lek lel leo ler lfb lfc lfe lff lfg lfk lfl lfo lfr lgb lgc lge lgf lgg lgk lgl lgo lgr lkb lkg lkl lkr llb llc lle llf llg llk lll llo llr lob loc loe lof log lok lol loo lor lrb lrc lrf lrg lrk lro lrr ob- obb obc obe obf obg obk obl obo obr oc- ocb occ ocf ocg ock 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 okb okc oke okg okk okl oko okr olb olc ole olf olg olk oll olo oo- oob ooc oof oog ook ool ooo oor or- orb orc ore orf org ork orl oro orr rbb rbc rbe rbf rbg rbk rbl rbo rbr rcb rcc rce rcf rcg rcl rco rcr re- reb rec ree ref reg rek rel reo rer rfb rfc rfe rff rfg rfk rfl rfo rfr rgb rgc rge rgf rgg rgk rgo rgr rkb rkc rke rkf rkg rkk rko rlc rle rlf rlg rll rlo rlr rob roc roe rof rog rok rol roo ror rrb rrc rrf rrg rrk rrl rrr

bbbb bbeb bbfc bblb bbrc bbrg bcbc bcbg bccc bccl bcec bcer bcfc bcof bcor bebb bebe bebo beck beeb beef beeg beek beel beer befe beff befo begg bego beke beko bele belg belk bell belo beo- beof beok beor berc bere berg berk bero berr bffl bfgf bgfc bleb blee bleg blek bleo blfc blkb blob bloc blog blok bloo blrc blrg bobb bobe bobo boce bock boco boec boee boef boel boeo boer bofe boff boge bogg bogo boke boko bole bolg bolk boll bolo boob booc booe boof boog book bool boor bor- bore borf borg bork boro borr brcb brce breb brec bree bref breg brek brel breo brer brfc brkb brob broc broe brog brok brol broo bror brrr c-bo cbbc cbcc cbce cbcl cbcr cbec cbee cbef cber cbfb cbfc cbgb cbkg cbkl cbko cbkr 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 ceke 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 ckbc ckbe ckck ckcl ckco cker ckfr ckgl ckgo cklf cklg ckob ckoc ckoo ckor ckrc clec clee clef cleg clek cleo cler clkg clob cloe clof clog clok cloo clor clro cobb cobe cobo coce cock coco coel cofc cofe coff cogo cok- coke coko col- colb cole colk coll colo coob coof cook cool cor- corb corc core corf corg cork corl coro corr crbc crcc crce crcr cre- creb crec cree creg creo crfc crfl crkc crkl crlf crob croc croe crok 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 ecko eco- ecog ecol ecrc ecrf ecrl