-er -ey b-u bbb bbc bbe bbg bbh bbr bbs bbu bby bcb bcc bce bcg bch bcr bcs bcu bcy be- beb bec bee beg beh ber bes beu bey bgb bgc bge bgg bgh bgr bgs bgu bhb bhc bhe bhg bhh bhr bhs bhu brb bre brg brh brr brs bru bry bsb bsc bse bsg bsh bsr bss bsu bsy bub buc bue bug buh bur bus buu buy by- byc bye byg byh byr bys byu c-- cbb cbc cbe cbg cbh cbr cbs cbu cby ccb ccc cce ccg cch ccr ccs ccu ce- ceb cec cee ceg ceh cer ces ceu cey cgb cgc cge cgg cgh cgr cgs cgu cgy ch- chb chc che chg chh chr chs chu chy crb crc cre crg crh crr crs cru cry csb csc cse csg csh csr css csu csy cub cuc cue cug cuh cur cus cuu cuy cyb cyc cye cyg cyr cys ebb ebc ebe ebg ebh ebr ebs ebu eby ec- ecb ecc ece ecg ech ecr ecs ecu eeb eec eee eeg eer ees eey egb egc ege egg egh egr egs egu egy ehb ehc ehe ehg ehh ehr ehs ehu erb erc ere erg erh err ers eru ery es- esb esc ese esg esh esr ess esu esy eu- eub euc eue eug eur eus eyc eye eyr eys gbc gbe gbg gbh gbr gbs gbu gby gcb gcc gce gcg gch gcr gcs gcu ge- geb gec gee geg geh ger ges geu gey ggb ggc ggg ggh ggr ggs ggu ghb ghc ghe ghg ghh ghr ghs grb grc gre grg grh grr grs gru gry gsb gsc gse gsg gsr gss gsu gu- gub guc gue gug gur gus guu guy gy- gyb gye gyr gys hbb hbc hbe hbg hbh hbr hbs hbu hby hcb hcc hce hcg hch hcr hcs hcy he- heb hec hee heg heh her hes heu hey hgb hgc hge hgg hgh hgr hgs hgu hgy hhb hhc hhe hhg hhh hhr hhs hhu hhy hr- hrb hrc hre hrg hrh hrr hrs hru hsb hsc hse hsg hsh hsr hss hsu hsy hub huc hue hug huh hur hus huu huy hy- hyb hyc hye hyg hyh hyr hys hyy rbb rbc rbe rbg rbh rbr rbs rbu rcb rcc rce rcg rch rcr rcs rcu re- reb rec ree reg reh rer res reu rey rgb rgc rge rgg rgh rgr rgs rh- rhb rhc rhe rhg rhh rhr rhs rhu rrb rrc rrg rrh rrr rrs rru rsb rsc rse rsg rsh rsr rss rsu rub ruc rue rug ruh rur rus ruu ruy ry- ryc rye ryg ryr rys ryu ryy sbb sbc sbe sbg sbh sbr sbs sbu sby scb scc sce scg sch scr scs scu se- seb sec see seg seh ser ses seu sey sgb sgc sge sgg sgh sgr sgs sgu sh- shb shc she shg shh shr shs shu shy sr- srb src sre srg srh srr srs sry ss- ssb ssc sse ssg ssh ssr sss ssu sub suc sue sug suh sur sus suu suy sy- syb syc sye syg syh syr sys syu ubb ubc ube ubg ubh ubr ubs ubu uby ucb ucc uce ucg uch ucr ucs ucu ueb uec uee ueg ueh uer ues uey ugb ugc uge ugg ugh ugr ugs ugu uhb uhc uhe uhh uhr uhs uhu uhy ur- urb urc ure urg urr urs uru ury usb usc use usg ush usr uss usu uuc uue uug uur uus uuu uyc uys uyu ybc ybe ybg ybr ybs yby ycc yce ych ycs ycu ycy yeb yec yee yeg yeh yer yes yey ygc yhc yhe yhs yhu yrc yre yrg yrs yru ysb ysc yse ysg ysr yss ysu ysy yue yug yuh yur yus yuu yuy yyb yyc yye yyg yys yyu yyy