-er -ol bbb bbd bbe bbl bbn bbo bbr bdb bdd bde bdl bdo bdr bdz be- beb bed bee bel ben beo ber bez blb bld ble bll bln blo blr blz bnb bnd bne bnl bnn bno bnr bnz bob bod boe bol bon boo bor boz brb brd bre brl brn bro brr brz bzd bze bzn bzo bzr bzz dbb dbd dbe dbl dbn dbo dbr dbz ddb ddd dde ddl ddn ddo ddr ddz de- deb ded dee del den deo der dez dl- dlb dld dle dll dlo dlr dnb dnd dne dnl dnn dno dnr dnz dob dod doe dol don doo dor doz drb drd dre drl drn dro drr drz dzb dzd dze dzo dzr ebb ebd ebe ebl ebn ebo ebr ed- edb edd ede edl edn edo edr eeb eed eee eel een eeo eer elb eld ele ell eln elo elr elz en- enb end ene enl enn eno enr enz eo- eob eod eoe eol eon eoo eor erb erd ere erl ern ero err erz eze ezo ezr ezz lbb lbd lbe lbl lbo lbr ldb ldd lde ldl ldn ldo ldr leb led lee lel len leo ler lez llb lld lle lll lln llo llr llz lnb lnd lne lnl lnn lno lnr lob lod loe lol lon loo lor loz lrb lrd lrn lro lrr lrz lzo lzr nbb nbd nbe nbl nbn nbo nbr ndb ndd nde ndl ndn ndo ndr ne- neb ned nee nel nen neo ner nez nlb nld nle nll nln nlo nlr nlz nnb nne nnl nnn nno nnz no- nob nod noe nol non noo nor noz nrb nrd nre nrl nrn nro nrr nrz nzb nzd nze nzo nzz ob- obb obd obe obl obn obo obr odb odd ode odl odn odo odr oeb oed oee oel oen oeo oer olb old ole oll oln olo on- onb ond one onl onn ono onr oo- oob ood ool oon ooo oor or- orb ord ore orl orn oro orr orz oze ozo ozz rbb rbd rbe rbl rbn rbo rbr rdb rdd rde rdl rdn rdo rdr re- reb red ree rel ren reo rer rez rld rle rll rln rlo rlr rnb rnd rnn rno rnr rnz rob rod roe rol ron roo ror roz rrb rrd rrl rrn rrr rzb rze rzo zbb zbl zbr zeb zed zee zel zen zeo zer zez zlr znd zne znn zno zo- zob zod zoe zol zon zoo zor zrl zro zzr zzz