-er -ey bbb bbc bbe bbh bbr bbs bby bcb bcc bce bch bcr bcs bcy bcz be- beb bec bee beh ber bes bey bez bhb bhc bhe bhh bhr bhs brb bre brh brr brs bry brz bsb bsc bse bsh bsr bss bsy by- byc bye byh byr bys byz bze bzh bzr bzs bzz c-- cbb cbc cbe cbh cbr cbs cby cbz ccb ccc cce cch ccr ccs ccz ce- ceb cec cee ceh cer ces cey cez ch- chb chc che chh chr chs chy chz crb crc cre crh crr crs cry crz csb csc cse csh csr css csy csz cyb cyc cye cyr cys cz- czc cze ebb ebc ebe ebh ebr ebs eby ec- ecb ecc ece ech ecr ecs eeb eec eee eer ees eey ehb ehc ehe ehh ehr ehs erb erc ere erh err ers ery erz es- esb esc ese esh esr ess esy eyc eye eyr eys eze ezh ezr ezs ezz hbb hbc hbe hbh hbr hbs hby hbz hcb hcc hce hch hcr hcs hcy he- heb hec hee heh her hes hey hez hhb hhc hhe hhh hhr hhs hhy hhz hr- hrb hrc hre hrh hrr hrs hrz hsb hsc hse hsh hsr hss hsy hsz hy- hyb hyc hye hyh hyr hys hyy hze hzs hzy rbb rbc rbe rbh rbr rbs rcb rcc rce rch rcr rcs re- reb rec ree reh rer res rey rez rh- rhb rhc rhe rhh rhr rhs rrb rrc rrh rrr rrs rsb rsc rse rsh rsr rss ry- ryc rye ryr rys ryy ryz rzb rze rzy sbb sbc sbe sbh sbr sbs sby scb scc sce sch scr scs se- seb sec see seh ser ses sey sez sh- shb shc she shh shr shs shy sr- srb src sre srh srr srs sry ss- ssb ssc sse ssh ssr sss ssz sy- syb syc sye syh syr sys sze szr ybc ybe ybr ybs yby ybz ycc yce ych ycs ycy yeb yec yee yeh yer yes yey yez yhc yhe yhs yrc yre yrs ysb ysc yse ysr yss ysy ysz yyb yyc yye yys yyy yyz yzb yzr yzy zbb zbc zbr zbs zby zce zcs zeb zec zee zeh zer zes zez zhc zhe zhr zhs zrh zrs zse zsh zsz zzr zzs zzy zzz