-er b-u bbb bbc bbd bbe bbg bbh bbr bbu bcb bcc bcd bce bcg bch bcr bcu bdb bdc bdd bde bdg bdh bdr bdu be- beb bec bed bee beg beh ber beu bgb bgc bgd bge bgg bgh bgr bgu bhb bhc bhd bhe bhg bhh bhr bhu brb brd bre brg brh brr bru bub buc bud bue bug buh bur buu c-- cbb cbc cbd cbe cbg cbh cbr cbu ccb ccc ccd cce ccg cch ccr ccu cdb cdc cdd cde cdg cdh cdr cdu ce- ceb cec ced cee ceg ceh cer ceu cgb cgc cgd cge cgg cgh cgr cgu ch- chb chc chd che chg chh chr chu crb crc crd cre crg crh crr cru cub cuc cud cue cug cuh cur cuu dbb dbc dbd dbe dbg dbh dbr dbu dcb dcc dcd dce dcg dcr dcu ddb ddc ddd dde ddg ddh ddr ddu de- deb dec ded dee deg deh der deu dgc dgd dge dgg dgh dgr dgu dh- dhb dhc dhd dhe dhh dhr dhu drb drc drd dre drg drr dru dub duc dud due dug duh dur ebb ebc ebd ebe ebg ebh ebr ebu ec- ecb ecc ecd ece ecg ech ecr ecu ed- edb edc edd ede edg edh edr edu eeb eec eed eee eeg eer egb egc egd ege egg egh egr egu ehb ehc ehd ehe ehg ehh ehr ehu erb erc erd ere erg erh err eru eu- eub euc eud eue eug eur g-d gbc gbd gbe gbg gbh gbr gbu gcb gcc gcd gce gcg gch gcr gcu gdb gdc gdd gde gdh gdr gdu ge- geb gec ged gee geg geh ger geu ggb ggc ggd ggg ggh ggr ggu ghb ghc ghd ghe ghg ghh ghr grb grc grd gre grg grh grr gru gu- gub guc gud gue gug gur guu hbb hbc hbd hbe hbg hbh hbr hbu hcb hcc hcd hce hcg hch hcr hdb hdc hdd hde hdg hdh hdr hdu he- heb hec hed hee heg heh her heu hgb hgc hge hgg hgh hgr hgu hhb hhc hhd hhe hhg hhh hhr hhu hr- hrb hrc hrd hre hrg hrh hrr hru hub huc hud hue hug huh hur huu rbb rbc rbd rbe rbg rbh rbr rbu rcb rcc rcd rce rcg rch rcr rcu rdb rdc rdd rde rdg rdh rdr rdu re- reb rec red ree reg reh rer reu rgb rgc rgd rge rgg rgh rgr rh- rhb rhc rhd rhe rhg rhh rhr rhu rrb rrc rrd rrg rrh rrr rru rub ruc rud rue rug ruh rur ruu ubb ubc ube ubg ubh ubr ubu ucb ucc ucd uce ucg uch ucr ucu udb udc udd ude udg udr udu ueb uec ued uee ueg ueh uer ugb ugc uge ugg ugh ugr ugu uhb uhc uhd uhe uhh uhr uhu ur- urb urc urd ure urg urr uru uuc uue uug uur uuu

bbbb bbch bbdd bbeb bbrc bbrg bcbc bcbg bccc bcde bcec bcer bchd bche bcru bcuc bd-r bdbc bddc bddh bebb bebe bech becu bede bedu beeb beed beeg beer begg begu behr berc berd bere berg berr beru beur bhcc bher bhur bhuu brcb brce breb brec bred bree breg brer brrr bruc brud brue brug bruh bubb bube bubu bucc buce buch bucu budb budd bude budg budu buer bueu buge bugg bugh buhe buhr bur- burb burd bure burg burh burr buru c-cd cbbc cbcc cbce cbcr cbcu cbdb cbdc cbec cbee cber cbgb cbrd cbre cbrh ccbc cccb cccc cccu ccdc ccdh ccdr cced ccee ccgc cche cchr ccrc ccre ccrg ccuc cd-e cd-r cddb cddr cdec cder cdre cebu cec- cece cedd cede cedu ceeb ceec cege cer- cerc cerd cere cgcc cgcg cged cger chce chch cheb chec ched chee cheh cher cheu chgb chgd chge chrb chrc chrd chrr chub chud chug chur crbc crbu crcc crce crcr crdc cre- creb crec cred cree creg creh creu crub crud crue crug cub- cubb cube cucc cuce cude cued cuer curb curd cure curr dbcc dcbc dccb dccc dccu dcdb dche dddd ddrc ddre ddub debe debu dec- decc decd dece dedd dede dedu deeb deed deeg deer dege degh degu dehu der- derb derc dere derg derr deue deur dgeg dgge dghe dhec dhed dhee dher dhur drbc dred dree dreg dreh drge drub drue drug druu dub- dubb dubc dube dubh dubu duce duch dudd dude dudu duer dugu duhe duhr duhu dure durg duru duur ebbc ebbr ebcc ebed eber ebru ebur ecbc ecbe eccb eccc ecce ecdc eced eche ecrc ecrr ecru eddc edde ede- edeh eder edge edru educ edur eede eedu eeee eerc eerg egbe egbu egcc egcg egcr egec egee eger eggb egge eggh eghd eghe eghh egre ehcc ehdd eheh eher eheu ehre ehud erbb erbe ercc erce erch erde ereb erec ered erer erg- ergg ergh erhc erhu errc erre erub eruc eruh erur eubc eucd euch eude euer euge eugh eur- eurc eure gbde gc-c gcbc gccc gcrg gddb gdrc gebe gece gedd gede gedu geed geer gege gegg gehu gerb gerd gere geru geue gggg gghg ghee gheg ghug grbr grcc grce grdc greb grec gree greg greu grrr grub grue grug grur gubb gubu guch gude gudu guer gugb guge gugg gugh gugu guhe guhr gurb gurd gure gurg gurh gurr guru hbcd hcbc hccb hccc hcch hcdr hcgh hcrd hebb hebe hebr hech hedd hede hedg heeb heed heeg heer hege hegg hegh hehe herb herc herd here herg herr heru heue heug heur hggc hhgg hhhh hrdc hree hrrc hrud hubb hube huch hucu hudd hude hudu hued huer huge hugg hugh huhu hurd hure hurr huru huub rbbb rbbr rbgh rcbc rccb rccc rcdc rcde rcgc rchb rcrd rcrg rder rebb rebe rebu recc recd rece rech recr recu redc redd rede redh redr redu reeb