-er -ol b-u bbb bbc bbe bbg bbl bbo bbr bbu bcb bcc bce bcg bcl bco bcr bcu be- beb bec bee beg bel beo ber beu bgb bgc bge bgg bgl bgo bgr bgu blb blc ble blg bll blo blr blu bob boc boe bog bol boo bor bou brb bre brg brl bro brr bru bub buc bue bug bul buo bur buu c-- cbb cbc cbe cbg cbl cbo cbr cbu ccb ccc cce ccg ccl cco ccr ccu ce- ceb cec cee ceg cel ceo cer ceu cgb cgc cge cgg cgl cgo cgr cgu cl- clb clc cle clg cll clo clr clu co- cob coc coe cog col coo cor cou crb crc cre crg crl cro crr cru cub cuc cue cug cul cuo cur cuu ebb ebc ebe ebg ebl ebo ebr ebu ec- ecb ecc ece ecg ecl eco ecr ecu eeb eec eee eeg eel eeo eer egb egc ege egg egl ego egr egu elb elc ele elg ell elo elr elu eo- eob eoc eoe eog eol eoo eor eou erb erc ere erg erl ero err eru eu- eub euc eue eug eul eur gbc gbe gbg gbl gbo gbr gbu gcb gcc gce gcg gcl gco gcr gcu ge- geb gec gee geg gel geo ger geu ggb ggc ggg ggo ggr ggu glb glc gle glg gll glo glr glu gob goc goe gog gol goo gor gou grb grc gre grg grl gro grr gru gu- gub guc gue gug gul guo gur guu lbb lbc lbe lbg lbl lbo lbr lbu lcb lcc lce lcg lcl lco lcr lcu leb lec lee leg lel leo ler leu lgb lgc lge lgg lgl lgo lgr lgu llb llc lle llg lll llo llr llu lob loc loe log lol loo lor lou lrb lrc lrg lro lrr lru lub luc lue lug lul luo lur luu ob- obb obc obe obg obl obo obr obu oc- ocb occ ocg ocl oco ocr ocu oeb oec oee oeg oel oeo oer ogc oge ogg ogl ogo olb olc ole olg oll olo olu oo- oob ooc oog ool ooo oor or- orb orc ore org orl oro orr oru ou- ouc oue oul ouo our rbb rbc rbe rbg rbl rbo rbr rbu rcb rcc rce rcg rcl rco rcr rcu re- reb rec ree reg rel reo rer reu rgb rgc rge rgg rgo rgr rlc rle rlg rll rlo rlr rlu rob roc roe rog rol roo ror rou rrb rrc rrg rrl rrr rru rub ruc rue rug ruo rur ruu ubb ubc ube ubg ubl ubo ubr ubu ucb ucc uce ucg ucl uco ucr ucu ueb uec uee ueg uel uer ugb ugc uge ugg ugl ugo ugr ugu ulb ulc ule ulg ull ulo ulr ulu uob uoc uoe uog uol uoo uor ur- urb urc ure urg url uro urr uru uuc uue uug uur uuu

bbbb bbeb bblb bbrc bbrg bcbc bcbg bccc bccl bcec bcer bcor bcru bcuc bebb bebe bebo becu beeb beeg beel beer begg bego begu bele belg bell belo belu beo- beor berc bere berg bero berr beru beur blcu bleb blee bleg bleo bleu blob bloc blog bloo blou blrc blrg blub blue blur bobb bobe bobo bobu boce boco bocu boec boee boel boeo boer boge bogg bogo bole bolg boll bolo bolu boob booc booe boog bool boor bor- bore borg boro borr boru boue boul bour brcb brce breb brec bree breg brel breo brer brob broc broe brog brol broo bror brou brrr bruc brue brug bubb bube bubo bubu bucc buce buco bucu buel buer bueu buge bugg bugo bulb bule bulg bull bulu buol bur- burb bure burg burl buro burr buru c-bo cbbc cbcc cbce cbcl cbcr cbcu cbec cbee cber cbgb cblb cblc cbol cbre cbrl ccbc cccb cccc cccl cccu ccee ccel ccgc cclc cclg ccob ccoc ccrc ccre ccrg ccrl ccuc cebu cec- cece ceco ceeb ceec ceel cege cego cel- celc cele cell celo ceol ceor ceou cer- cerc cere cerl cero cgcc cgcg cgel cger cgro clec clee cleg cleo cler cleu clob cloe clog cloo clor clou clro club clue cobb cobe cobo cobu coce coco cocu coel cogo col- colb cole coll colo colu coob cool cor- corb corc core corg corl coro corr coub coue coul cour crbc crbu crcc crce crcr cre- creb crec cree creg creo creu crob croc croe crol croo cror crub crue crug cub- cubb cube cucc cuce cuer culb culc cule cull culo curb cure curl curo curr e-cl ebbc ebbo ebbr ebcc ebel eber eboe ebol eboo ebor ebro ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecco eco- ecog ecol ecou ecrc ecrl ecrr ecru eeee eele eeoc eerc eerg eero egbe egbu egcc egcg egcr egec egee egel eger eggb egge eggo eglc egle eglu ego- egol egor egre el-b elbe elbo elbu elcb elce elco elec elee eleo eler elgg elle ello ellu elog elro elue elul eole eolo eore eorl erbb erbe ercc erce ereb erec erel erer erg- ergg ergo erle erll erob eroc eroe erol eroo errc erre erro erub eruc erur eubc euer euge eule eur- eurc eure euro gbbo gc-c gcbc gccc gclc gcrg gebe gece geel geer gege gegg gegl gego gelb gele gelg gell gelo gelu geo- geog geol gerb gere gerl gero geru geue geul ggcl gggg glbc glcc glce gleb glee gleg gleo gleu glge glob glog glor glou glrb glro glub glue glug glur gobe gobl gobo goce gocr goel goer gogo gole goll golo golu goog gool goor gorb gore gorg goro gorr gou- goug goul gour grbr grcc grce greb grec gree greg greu grob groc grog grol groo gror grou grrl grrr grub grue grug grur gubb gubu guel guer gugb guge gugg gugu gulb gule gull gulo gulu gurb