-er b-u bbb bbc bbe bbg bbh bbo bbr bbu bcb bcc bce bcg bch bco bcr bcu be- beb bec bee beg beh beo ber beu bgb bgc bge bgg bgh bgo bgr bgu bhb bhc bhe bhg bhh bho bhr bhu bob boc boe bog boh boo bor bou brb bre brg brh bro brr bru bub buc bue bug buh buo bur buu c-- cbb cbc cbe cbg cbh cbo cbr cbu ccb ccc cce ccg cch cco ccr ccu ce- ceb cec cee ceg ceh ceo cer ceu cgb cgc cge cgg cgh cgo cgr cgu ch- chb chc che chg chh cho chr chu co- cob coc coe cog coh coo cor cou crb crc cre crg crh cro crr cru cub cuc cue cug cuh cuo cur cuu ebb ebc ebe ebg ebh ebo ebr ebu ec- ecb ecc ece ecg ech eco ecr ecu eeb eec eee eeg eeo eer egb egc ege egg egh ego egr egu ehb ehc ehe ehg ehh eho ehr ehu eo- eob eoc eoe eog eoh eoo eor eou erb erc ere erg erh ero err eru eu- eub euc eue eug eur gbc gbe gbg gbh gbo gbr gbu gcb gcc gce gcg gch gco gcr gcu ge- geb gec gee geg geh geo ger geu ggb ggc ggg ggh ggo ggr ggu ghb ghc ghe ghg ghh gho ghr gob goc goe gog goh goo gor gou grb grc gre grg grh gro grr gru gu- gub guc gue gug guo gur guu hbb hbc hbe hbg hbh hbo hbr hbu hcb hcc hce hcg hch hco hcr he- heb hec hee heg heh heo her heu hgb hgc hge hgg hgh hgo hgr hgu hhb hhc hhe hhg hhh hho hhr hhu hob hoc hoe hog hoh hoo hor hou hr- hrb hrc hre hrg hrh hro hrr hru hub huc hue hug huh huo hur huu ob- obb obc obe obg obh obo obr obu oc- ocb occ ocg och oco ocr ocu oeb oec oee oeg oeh oeo oer ogc oge ogg ogh ogo ohc ohe ohg ohh oho ohr ohu oo- oob ooc oog ooh ooo oor or- orb orc ore org orh oro orr oru ou- ouc oue ouh ouo our rbb rbc rbe rbg rbh rbo rbr rbu rcb rcc rce rcg rch rco rcr rcu re- reb rec ree reg reh reo rer reu rgb rgc rge rgg rgh rgo rgr rh- rhb rhc rhe rhg rhh rho rhr rhu rob roc roe rog roh roo ror rou rrb rrc rrg rrh rrr rru rub ruc rue rug ruh ruo rur ruu ubb ubc ube ubg ubh ubo ubr ubu ucb ucc uce ucg uch uco ucr ucu ueb uec uee ueg ueh uer ugb ugc uge ugg ugh ugo ugr ugu uhb uhc uhe uhh uho uhr uhu uob uoc uoe uog uoo uor ur- urb urc ure urg uro urr uru uuc uue uug uur uuu

-hou bbbb bbch bbeb bbrc bbrg bcbc bcbg bccc bcec bcer bche bcor bcru bcuc bebb bebe bebo bech becu beeb beeg beer begg bego begu behr beo- beor berc bere berg bero berr beru beur bhcc bher bhog bhor bhur bhuu bobb bobe bobo bobu boce boch boco bocu boec boee boeo boer boge bogg bogh bogo boho bohr bohu boob booc booe boog booh boor bor- bore borg borh boro borr boru boue bouh bour brcb brce breb brec bree breg breo brer brob broc broe brog broh broo bror brou brrr bruc brue brug bruh bubb bube bubo bubu bucc buce buch buco bucu buer bueu buge bugg bugh bugo buhe buho buhr bur- burb bure burg burh buro burr buru c-bo cbbc cbcc cbce cbcr cbcu cbec cbee cber cbgb cbre cbrh ccbc cccb cccc cccu ccee ccgc cche cchr ccob ccoc ccrc ccre ccrg ccuc cebu cec- cece ceco ceeb ceec cege cego ceor ceou cer- cerc cere cero cgcc cgcg cger cgro chce chch cheb chec chee cheh cher cheu chgb chge choc choh choo chor chou chrb chrc chro chrr chub chug chur cobb cobe cobh cobo cobu coce coch coco cocu cogh cogo coho coob cooh cor- corb corc core corg coro corr coub coue cour crbc crbu crcc crce crcr cre- creb crec cree creg creh creo creu crob croc croe croh croo cror crub crue crug cub- cubb cube cucc cuce cuer curb cure curo curr ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecco eche echo eco- ecog ecou ecrc ecrr ecru eeee eeoc eerc eerg eero egbe egbu egcc egcg egcr egec egee eger eggb egge eggh eggo eghe eghh ego- egor egre ehcc eheh eher eheu ehre eore erbb erbe ercc erce erch ereb erec erer erg- ergg ergh ergo erhc erhu erob eroc eroe eroo errc erre erro erub eruc eruh erur eubc euch euer euge eugh eur- eurc eure euro gbbo gc-c gcbc gccc gcrg gebe gece geer gege gegg gego gehu geo- geog gerb gere gero geru geue gggg gghg ghee gheg ghug gobe gobo goce goch gocr goer gogh gogo gohb goog goor gorb gore gorg goro gorr gou- goug gour grbr grcc grce greb grec gree greg greu grob groc grog groh groo gror grou grrr grub grue grug grur gubb gubu guch guer gugb guge gugg gugh gugu guhe guhr gurb gure gurg gurh guro gurr guru hboc hcbc hccb hccc hcch hcgh hebb hebe hebo hebr hech heeb heeg heer hege hegg hegh hego hehe heho heor heou herb herc here herg hero herr heru heue heug heur hggc hhgg hhhh hobe hobo hoce hoch hocr hoer hoge hogg hogh hogo hogu hohe hoho hooe hoor horc hore horg horo horr houe hour hree hrob hrrc hubb hube hubo huch hucu huer huge hugg hugh hugo huhu huor hure huro hurr huru huub o-eo obbo obec ober oboe obor obre obrh obro