-er -ey b-u bbb bbc bbe bbh bbn bbr bbu bby bcb bcc bce bch bcn bcr bcu bcy be- beb bec bee beh ben ber beu bey bhb bhc bhe bhh bhr bhu bnb bnc bne bnn bnr bnu brb bre brh brn brr bru bry bub buc bue buh bun bur buu buy by- byc bye byh byn byr byu c-- cbb cbc cbe cbh cbn cbr cbu cby ccb ccc cce cch ccn ccr ccu ce- ceb cec cee ceh cen cer ceu cey ch- chb chc che chh chn chr chu chy cn- cnb cnc cne cnh cnn cnr cnu cny crb crc cre crh crn crr cru cry cub cuc cue cuh cun cur cuu cuy cyb cyc cye cyn cyr ebb ebc ebe ebh ebn ebr ebu eby ec- ecb ecc ece ech ecn ecr ecu eeb eec eee een eer eey ehb ehc ehe ehh ehn ehr ehu en- enb enc ene enh enn enr enu eny erb erc ere erh ern err eru ery eu- eub euc eue eun eur eyc eye eyn eyr hbb hbc hbe hbh hbn hbr hbu hby hcb hcc hce hch hcn hcr hcy he- heb hec hee heh hen her heu hey hhb hhc hhe hhh hhn hhr hhu hhy hnb hnc hne hnh hnn hnu hny hr- hrb hrc hre hrh hrn hrr hru hub huc hue huh hun hur huu huy hy- hyb hyc hye hyh hyn hyr hyy nbb nbc nbe nbn nbr nbu ncb ncc nce nch ncn ncr ncu ne- neb nec nee neh nen ner neu ney nhb nhc nhe nhh nhn nhr nhu nhy nnb nnc nne nnh nnn nnu nrb nrc nre nrn nrr nru nry nub nuc nue nuh nun nur nuu nuy nyc nye nyn nyu nyy rbb rbc rbe rbh rbn rbr rbu rcb rcc rce rch rcn rcr rcu re- reb rec ree reh ren rer reu rey rh- rhb rhc rhe rhh rhn rhr rhu rnb rnc rnh rnn rnr rnu rny rrb rrc rrh rrn rrr rru rub ruc rue ruh run rur ruu ruy ry- ryc rye ryn ryr ryu ryy ubb ubc ube ubh ubn ubr ubu uby ucb ucc uce uch ucn ucr ucu ueb uec uee ueh uen uer uey uhb uhc uhe uhh uhr uhu uhy un- unb unc une unh unn unr unu uny ur- urb urc ure urn urr uru ury uuc uue uun uur uuu uyc uyu ybc ybe ybr yby ycc yce ych ycu ycy yeb yec yee yeh yen yer yey yhc yhe yhu yne ynn ynu yny yrc yre yrn yru yue yuh yun yur yuu yuy yyb yyc yye yyu yyy