-er -ey bbb bbd bbe bbh bbn bbo bbr bbx bby bdb bdd bde bdh bdo bdr bdx bdy bdz be- beb bed bee beh ben beo ber bex bey bez bhb bhd bhe bhh bho bhr bhx bnb bnd bne bnn bno bnr bnx bnz bob bod boe boh bon boo bor box boy boz brb brd bre brh brn bro brr brx bry brz bxb bxd bxn bxo bxx by- byd bye byh byn byo byr byz bzd bze bzh bzn bzo bzr bzz dbb dbd dbe dbh dbn dbo dbr dbx dby dbz ddb ddd dde ddh ddn ddo ddr ddx ddy ddz de- deb ded dee deh den deo der dex dey dez dh- dhb dhd dhe dhh dho dhr dnb dnd dne dnh dnn dno dnr dny dnz dob dod doe doh don doo dor dox doy doz drb drd dre drn dro drr drx dry drz dxd dxn dxo dxr dxx dy- dyb dyd dye dyn dyo dyr dyy dzb dzd dze dzo dzr ebb ebd ebe ebh ebn ebo ebr ebx eby ed- edb edd ede edh edn edo edr edx edy eeb eed eee een eeo eer eex eey ehb ehd ehe ehh ehn eho ehr en- enb end ene enh enn eno enr eny enz eo- eob eod eoe eoh eon eoo eor erb erd ere erh ern ero err ery erz ex- exd exe exh exo exr exx exy eyd eye eyn eyo eyr eze ezh ezo ezr ezz hbb hbd hbe hbh hbn hbo hbr hbx hby hbz hdb hdd hde hdh hdn hdo hdr hdx hdy hdz he- heb hed hee heh hen heo her hex hey hez hhb hhd hhe hhh hhn hho hhr hhy hhz hnb hnd hne hnh hnn hno hny hnz hob hod hoe hoh hon hoo hor hox hoy hr- hrb hrd hre hrh hrn hro hrr hrz hxd hy- hyb hyd hye hyh hyn hyo hyr hyy hzd hze hzo hzy nbb nbd nbe nbn nbo nbr nbx ndb ndd nde ndh ndn ndo ndr ndy ne- neb ned nee neh nen neo ner nex ney nez nhb nhd nhe nhh nhn nhr nhy nhz nnb nne nnh nnn nno nnz no- nob nod noe noh non noo nor nox noy noz nrb nrd nre nrn nro nrr nrx nry nrz nxd nyd nye nyn nyo nyx nyy nzb nzd nze nzo nzz ob- obb obd obe obh obn obo obr obx oby odb odd ode odh odn odo odr oeb oed oee oeh oen oeo oer oex oey ohd ohe ohh ohn oho ohr on- onb ond one onh onn ono onr onx ony oo- oob ood ooh oon ooo oor oox or- orb ord ore orh orn oro orr orx ory orz ox- oxb oxn oxo oxx oxy oyd oye oyo oze ozo ozz rbb rbd rbe rbh rbn rbo rbr rbx rdb rdd rde rdh rdn rdo rdr rdx rdy re- reb red ree reh ren reo rer rex rey rez rh- rhb rhd rhe rhh rhn rho rhr rnb rnd rnh rnn rno rnr rny rnz rob rod roe roh ron roo ror rox roy roz rrb rrd rrh rrn rrr rxr ry- ryd rye ryn ryo ryr ryy ryz rzb rze rzo rzy xbe xbr xbx xdb xde xdh xdr xed xee xen xer xex xhd xno xod xon xoo xor xox xrd xrx xry xxo xxx xxy xyr xyy xyz ybe ybr yby ybz yde ydn ydo ydy yeb yed yee yeh yen yeo yer yex yey yez yhe ynd yne ynn yny yob yod yoe yon yoo yor yox yoy yre yrn yro yxe yxy yyb yye yyy yyz yzb yzr yzy zbb zbr zby zeb zed zee zeh zen zeo zer zez zhe zho zhr znd zne znn zno zo- zob zod zoe zon zoo zor zox zrh zro zxx zyx zzr zzx zzy zzz