-er -th bbb bbc bbe bbg bbh bbo bbr bbt bcb bcc bce bcg bch bco bcr bct be- beb bec bee beg beh beo ber bet bgb bgc bge bgg bgh bgo bgr bgt bhb bhc bhe bhg bhh bho bhr bht bob boc boe bog boh boo bor bot brb bre brg brh bro brr brt btb btc bte btg bth bto btr btt c-- cbb cbc cbe cbg cbh cbo cbr cbt ccb ccc cce ccg cch cco ccr cct ce- ceb cec cee ceg ceh ceo cer cet cgb cgc cge cgg cgh cgo cgr cgt ch- chb chc che chg chh cho chr cht co- cob coc coe cog coh coo cor cot crb crc cre crg crh cro crr crt ctb ctc cte ctg cth cto ctr ctt ebb ebc ebe ebg ebh ebo ebr ebt ec- ecb ecc ece ecg ech eco ecr ect eeb eec eee eeg eeo eer eet egb egc ege egg egh ego egr egt ehb ehc ehe ehg ehh eho ehr eht eo- eob eoc eoe eog eoh eoo eor eot erb erc ere erg erh ero err ert etb etc ete etg eth eto etr ett gbc gbe gbg gbh gbo gbr gbt gcb gcc gce gcg gch gco gcr gct ge- geb gec gee geg geh geo ger get ggb ggc ggg ggh ggo ggr ggt ghb ghc ghe ghg ghh gho ghr ght gob goc goe gog goh goo gor got grb grc gre grg grh gro grr grt gtb gtc gte gtg gth gto gtr gtt hbb hbc hbe hbg hbh hbo hbr hbt hcb hcc hce hcg hch hco hcr hct he- heb hec hee heg heh heo her het hgb hgc hge hgg hgh hgo hgr hgt hhb hhc hhe hhg hhh hho hhr hht hob hoc hoe hog hoh hoo hor hot hr- hrb hrc hre hrg hrh hro hrr hrt htb htc hte htg hth hto htr htt ob- obb obc obe obg obh obo obr obt oc- ocb occ ocg och oco ocr oct oeb oec oee oeg oeh oeo oer oet ogc oge ogg ogh ogo ogt ohc ohe ohg ohh oho ohr oht oo- oob ooc oog ooh ooo oor oot or- orb orc ore org orh oro orr ort ot- otb otc ote otg oth oto otr ott rbb rbc rbe rbg rbh rbo rbr rbt rcb rcc rce rcg rch rco rcr rct re- reb rec ree reg reh reo rer ret rgb rgc rge rgg rgh rgo rgr rgt rh- rhb rhc rhe rhg rhh rho rhr rht rob roc roe rog roh roo ror rot rrb rrc rrg rrh rrr rrt rtb rtc rte rtg rto rtr rtt tbb tbc tbe tbg tbh tbo tbr tbt tcb tcc tce tcg tch tco tcr tct te- teb tec tee teg teh teo ter tet tgb tgc tge tgg tgh tgo tgr tgt th- thb thc the thg thh tho thr tht to- tob toc toe tog toh too tor tot trb trc tre trg trh tro trr trt ttb ttc tte ttg tth tto ttr ttt

bbbb bbch bbeb bbet bbrc bbrg bcbc bcbg bccc bcec bcer bcet bche bcor bctc bebb bebe bebo bech beeb beeg beer beet begg bego behr beo- beor beot berc bere berg bero berr bert betc bete beth beto bett bght bhcc bher bhet bhog bhor bhot bhrt bobb bobe bobo boce boch boco boec boee boeo boer boet boge bogg bogh bogo bogt boho bohr boht boob booc booe boog booh boor boot bor- bore borg borh boro borr bort botb bote both boto bott brcb brce breb brec bree breg breo brer bret brob broc broe brog broh broo bror brot brrr brtc btcc btec btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbgb cbot cbre cbrh cbrt cbtc ccbc cccb cccc ccee ccgc ccgt cche cchr ccob ccoc ccrc ccre ccrg ccrt cctb cctc cctt cec- cece ceco cect ceeb ceec cege cego ceor cer- cerc cere cero cert cet- cete ceto cgcc cgcg cger cgro chce chch cheb chec chee cheh cher chet chgb chge choc choh choo chor chrb chrc chro chrr chrt chto chtr chtt cobb cobe cobh cobo coce coch coco coct cogh cogo coho coob cooh coot cor- corb corc core corg coro corr cort cotb cotc cote coth coto cott crbc crcc crce crcr cre- creb crec cree creg creh creo cret crob croc croe croh croo cror crot crrt crtc ctec ctge ctor ctot ctrc ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecco ecct eche echo echt eco- ecog ecot ecrc ecrr ect- ectc ecth ecto eeee eeoc eerc eerg eero eetc eete eeth egbe egcc egcg egcr egec egee eger eggb egge eggh eggo eghe eghh ego- egor egot egre egte ehcc eheh eher ehre ehte eore eotc eoto erbb erbe ercc erce erch ereb erec erer eret erg- ergg ergh ergo erhc erob eroc eroe eroo errc erre erro erth etbc etbr etcc etch etco etec etee eter eth- ethe etho etoe etoh etre etro ette etto gbbo gc-c gcbc gccc gcet gcrg gctc gebe gece geer geet gege gegg gego geht geo- geog gerb gere gero gert getb gete getg geth geto gett ggbt gggg gghg ghee gheg gobe gobo goce goch gocr goer gogh gogo gohb goog goor goot gorb gore gorg goro gorr gort gote goth goto gott grbr grcc grce greb grec gree greg gret grob groc grog groh groo gror grot grrr grtc gtbr gtco gtcr gtoe hboc hcbc hccb hccc hcch hcgh hebb hebe hebo hebr hech hect heeb heeg heer heet hege hegg hegh hego hehe heho heor herb herc here herg hero herr hert hete heth heto hett hggc hgtc hhgg hhhh hobe hobo hoce hoch hocr hoer hoge hogg hogh hogo hohe hoho hooe hoor hoot horc hore horg horo horr hort hotb