-er -ol bbb bbd bbe bbi bbl bbo bbr bbt bbx bdb bdd bde bdi bdl bdo bdr bdt bdx be- beb bed bee bei bel beo ber bet bex bi- bib bid bie bii bil bio bir bit bix blb bld ble bli bll blo blr blt blx bob bod boe boi bol boo bor bot box brb brd bre bri brl bro brr brt brx btb btd bte bti btl bto btr btt btx bxb bxd bxi bxl bxo bxx dbb dbd dbe dbi dbl dbo dbr dbt dbx ddb ddd dde ddi ddl ddo ddr ddt ddx de- deb ded dee dei del deo der det dex di- dib did die dii dil dio dir dit dix dl- dlb dld dle dli dll dlo dlr dlt dlx dob dod doe doi dol doo dor dot dox drb drd dre dri drl dro drr drt drx dtb dtd dte dti dtl dto dtr dtt dtx dxd dxi dxl dxo dxr dxt dxx ebb ebd ebe ebi ebl ebo ebr ebt ebx ed- edb edd ede edi edl edo edr edt edx eeb eed eee eel eeo eer eet eex eib eid eie eii eil eio eir eit eix elb eld ele eli ell elo elr elt elx eo- eob eod eoe eoi eol eoo eor eot erb erd ere eri erl ero err ert etb etd ete eti etl eto etr ett etx ex- exd exe exi exl exo exr ext exx i-d ibb ibd ibe ibi ibl ibo ibr ibt ibx idb idd ide idi idl ido idr idt idx ie- ied iee iei iel ier iet iex iib iid iie iii iil iio iir iit iix il- ilb ild ile ili ill ilo ilr ilt ilx io- iob iod ioe ioi iol ioo ior iot ir- irb ird ire iri irl iro irr irt irx itb itd ite iti itl ito itt itx ixe ixi ixl lbb lbd lbe lbi lbl lbo lbr lbt lbx ldb ldd lde ldi ldl ldo ldr ldt leb led lee lei lel leo ler let lex lib lid lie lii lil lio lir lit lix llb lld lle lli lll llo llr llt lob lod loe loi lol loo lor lot lox lrb lrd lri lro lrr lrt ltb ltd lte lti ltl lto ltr ltt ltx lxd lxi lxo lxr lxx o-i ob- obb obd obe obi obl obo obr obt obx odb odd ode odi odl odo odr odt oeb oed oee oei oel oeo oer oet oex oib oid oie oii oil oio oir oit olb old ole oli oll olo olt oo- oob ood ooi ool ooo oor oot oox or- orb ord ore ori orl oro orr ort orx ot- otb otd ote oti otl oto otr ott ox- oxb oxi oxo oxt oxx rbb rbd rbe rbi rbl rbo rbr rbt rbx rdb rdd rde rdi rdl rdo rdr rdt rdx re- reb red ree rei rel reo rer ret rex rib rid rie rii ril rio rir rit rix rld rle rli rll rlo rlr rlt rob rod roe roi rol roo ror rot rox rrb rrd rri rrl rrr rrt rtb rtd rte rti rtl rto rtr rtt rtx rxr t-x tbb tbd tbe tbi tbl tbo tbr tbt tdb tdd tde tdi tdl tdo tdr tdt tdx te- teb ted tee tei tel teo ter tet tex tib tid tie tii til tio tir tit tix tld tle tli tll tlo tlr tlt tlx to- tob tod toe toi tol too tor tot tox trb trd tre tri trl tro trr trt trx ttb ttd tte tti ttl tto ttr ttt ttx txe txi txl txt xbe xbl xbr xbx xdb xde xdi xdr xdt xed xee xel xer xet xex xie xii xio xit xix xlb xld xli xlr xlt xod xoi xoo xor xot xox xrd xrt xrx xti xtr xtx xxi xxl xxo xxx