-er bbb bbc bbe bbg bbh bbo bbr bcb bcc bce bcg bch bco bcr be- beb bec bee beg beh beo ber bgb bgc bge bgg bgh bgo bgr bhb bhc bhe bhg bhh bho bhr bob boc boe bog boh boo bor brb bre brg brh bro brr c-- cbb cbc cbe cbg cbh cbo cbr ccb ccc cce ccg cch cco ccr ce- ceb cec cee ceg ceh ceo cer cgb cgc cge cgg cgh cgo cgr ch- chb chc che chg chh cho chr co- cob coc coe cog coh coo cor crb crc cre crg crh cro crr ebb ebc ebe ebg ebh ebo ebr ec- ecb ecc ece ecg ech eco ecr eeb eec eee eeg eeo eer egb egc ege egg egh ego egr ehb ehc ehe ehg ehh eho ehr eo- eob eoc eoe eog eoh eoo eor erb erc ere erg erh ero err gbc gbe gbg gbh gbo gbr gcb gcc gce gcg gch gco gcr ge- geb gec gee geg geh geo ger ggb ggc ggg ggh ggo ggr ghb ghc ghe ghg ghh gho ghr gob goc goe gog goh goo gor grb grc gre grg grh gro grr hbb hbc hbe hbg hbh hbo hbr hcb hcc hce hcg hch hco hcr he- heb hec hee heg heh heo her hgb hgc hge hgg hgh hgo hgr hhb hhc hhe hhg hhh hho hhr hob hoc hoe hog hoh hoo hor hr- hrb hrc hre hrg hrh hro hrr ob- obb obc obe obg obh obo obr oc- ocb occ ocg och oco ocr oeb oec oee oeg oeh oeo oer ogc oge ogg ogh ogo ohc ohe ohg ohh oho ohr oo- oob ooc oog ooh ooo oor or- orb orc ore org orh oro orr rbb rbc rbe rbg rbh rbo rbr rcb rcc rce rcg rch rco rcr re- reb rec ree reg reh reo rer rgb rgc rge rgg rgh rgo rgr rh- rhb rhc rhe rhg rhh rho rhr rob roc roe rog roh roo ror rrb rrc rrg rrh rrr

bbbb bbch bbeb bbrc bbrg bcbc bcbg bccc bcec bcer bche bcor bebb bebe bebo bech beeb beeg beer begg bego behr beo- beor berc bere berg bero berr bhcc bher bhog bhor bobb bobe bobo boce boch boco boec boee boeo boer boge bogg bogh bogo boho bohr boob booc booe boog booh boor bor- bore borg borh boro borr brcb brce breb brec bree breg breo brer brob broc broe brog broh broo bror brrr c-bo cbbc cbcc cbce cbcr cbec cbee cber cbgb cbre cbrh ccbc cccb cccc ccee ccgc cche cchr ccob ccoc ccrc ccre ccrg cec- cece ceco ceeb ceec cege cego ceor cer- cerc cere cero cgcc cgcg cger cgro chce chch cheb chec chee cheh cher chgb chge choc choh choo chor chrb chrc chro chrr cobb cobe cobh cobo coce coch coco cogh cogo coho coob cooh cor- corb corc core corg coro corr crbc crcc crce crcr cre- creb crec cree creg creh creo crob croc croe croh croo cror ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecco eche echo eco- ecog ecrc ecrr eeee eeoc eerc eerg eero egbe egcc egcg egcr egec egee eger eggb egge eggh eggo eghe eghh ego- egor egre ehcc eheh eher ehre eore erbb erbe ercc erce erch ereb erec erer erg- ergg ergh ergo erhc erob eroc eroe eroo errc erre erro gbbo gc-c gcbc gccc gcrg gebe gece geer gege gegg gego geo- geog gerb gere gero gggg gghg ghee gheg gobe gobo goce goch gocr goer gogh gogo gohb goog goor gorb gore gorg goro gorr grbr grcc grce greb grec gree greg grob groc grog groh groo gror grrr hboc hcbc hccb hccc hcch hcgh hebb hebe hebo hebr hech heeb heeg heer hege hegg hegh hego hehe heho heor herb herc here herg hero herr hggc hhgg hhhh hobe hobo hoce hoch hocr hoer hoge hogg hogh hogo hohe hoho hooe hoor horc hore horg horo horr hree hrob hrrc o-eo obbo obec ober oboe obor obre obrh obro ocbc occc oce ocee oche ocre ocro ocrr oec- oecc oeec oegb oere ogb ogbe ogee oger ogge ogog ogre ogro ohbe ohcc ohee oher ohgr ohho ohob ohoh ohre oobe oocr ooer ooho oooh oooo oore orbb orbe orbo orce orch orco ore- oreb orec oreg oreh oreo orer orge orgo orhe oro- oroe oror orro rbbb rbbr rbgh rboh rcbc rcbo rccb rccc rcgc rchb rcrg rebb rebe rebo recc rece rech recr reeb rege rego regr rehb rehe reog rere rerg rero rgbe rhbg rhce rhcg rheb rhee rheo rhob rhoc rhog rhoh rob- robb robe robo rocc roce roch roco roeg roer roge rogg rogh rogo rohe rohr roob roog roor rorc rore roro rrrr

bbbee be-er be-ro beber bebog becco beche becho beebe beech begee begge begob begor beher berbe berec bereg bereh berge bergh berhe berob beroe beror berre bheer bhore bo-bo bo-ho boboc bobr bobre bocce boche bocho bocor boece boege boero boger bogge boghe bogoe bogor bohge bohor booce booch booco booer boore borbo borce borch borec boree borer borge borgh borgo boro- boroo borre borro brece brech breer breg- brege bregg breo- breoc brere brobo broce broch broer brogh brrrr c-cor ccccc cebec ceber cebgo cech ceche ceco- ceere cegge ceoce ceoor cerc- cerce cerco cerec cerer cerge cero- ceroc cerre cerro chech cheer chege chegg chego cheho chehr cheo chere chero chher chobe choco choge choor chor- chore choro co-bo co-co cobbe cobre cocc- cocce cocco coceo coche coghe cohee cohob cohoe cohog cohoo cooch cooee cooer coore coorg corbe corbo corce core- coree corer corge coro- corre crebe crece creer cregg creo- croce croco crooe crore ebber eberg eboch eccho eeeee egger eocho eorre erbbe erber erceg erech erege erere ergo- eroge eroor erore error gberg geber gebre gecco gee-h geebo geech geere