-er -ey bbb bbc bbd bbe bbo bbr bbs bby bcb bcc bcd bce bco bcr bcs bcy bcz bdb bdc bdd bde bdo bdr bds bdy bdz be- beb bec bed bee beo ber bes bey bez bob boc bod boe boo bor bos boy boz brb brd bre bro brr brs bry brz bsb bsc bsd bse bso bsr bss bsy by- byc byd bye byo byr bys byz bzd bze bzo bzr bzs bzz c-- cbb cbc cbd cbe cbo cbr cbs cby cbz ccb ccc ccd cce cco ccr ccs ccz cdb cdc cdd cde cdo cdr cds cdy cdz ce- ceb cec ced cee ceo cer ces cey cez co- cob coc cod coe coo cor cos coy coz crb crc crd cre cro crr crs cry crz csb csc csd cse cso csr css csy csz cyb cyc cyd cye cyo cyr cys cz- czc czd cze czo dbb dbc dbd dbe dbo dbr dbs dby dbz dcb dcc dcd dce dco dcr dcs ddb ddc ddd dde ddo ddr dds ddy ddz de- deb dec ded dee deo der des dey dez dob doc dod doe doo dor dos doy doz drb drc drd dre dro drr drs dry drz dsb dsc dsd dse dso dsr dss dsy dsz dy- dyb dyc dyd dye dyo dyr dys dyy dzb dzd dze dzo dzr dzs ebb ebc ebd ebe ebo ebr ebs eby ec- ecb ecc ecd ece eco ecr ecs ed- edb edc edd ede edo edr eds edy eeb eec eed eee eeo eer ees eey eo- eob eoc eod eoe eoo eor eos erb erc erd ere ero err ers ery erz es- esb esc esd ese eso esr ess esy eyc eyd eye eyo eyr eys eze ezo ezr ezs ezz ob- obb obc obd obe obo obr obs oby oc- ocb occ ocd oco ocr ocs ocz odb odc odd ode odo odr ods oeb oec oed oee oeo oer oes oey oo- oob ooc ood ooo oor oos or- orb orc ord ore oro orr ors ory orz os- osb osc osd ose oso osr oss oyd oye oyo oys oze ozo ozs ozz rbb rbc rbd rbe rbo rbr rbs rcb rcc rcd rce rco rcr rcs rdb rdc rdd rde rdo rdr rds rdy re- reb rec red ree reo rer res rey rez rob roc rod roe roo ror ros roy roz rrb rrc rrd rrr rrs rsb rsc rsd rse rso rsr rss ry- ryc ryd rye ryo ryr rys ryy ryz rzb rze rzo rzy sbb sbc sbd sbe sbo sbr sbs sby scb scc scd sce sco scr scs sdb sdc sdd sde sdo sdr sds sdy sdz se- seb sec sed see seo ser ses sey sez sob soc sod soe soo sor sos soy soz sr- srb src srd sre sro srr srs sry ss- ssb ssc ssd sse sso ssr sss ssz sy- syb syc syd sye syr sys szd sze szr ybc ybe ybr ybs yby ybz ycc ycd yce yco ycs ycy yde ydo yds ydy yeb yec yed yee yeo yer yes yey yez yob yoc yod yoe yoo yor yos yoy yrc yre yro yrs ysb ysc yse yso ysr yss ysy ysz yyb yyc yye yys yyy yyz yzb yzr yzy zbb zbc zbr zbs zby zce zco zcs zds zeb zec zed zee zeo zer zes zez zo- zob zoc zod zoe zoo zor zos zro zrs zse zsz zzr zzs zzy zzz