-er -ol bbb bbd bbe bbi bbl bbo bbr bbs bbt bdb bdd bde bdi bdl bdo bdr bds bdt be- beb bed bee bei bel beo ber bes bet bi- bib bid bie bii bil bio bir bis bit blb bld ble bli bll blo blr bls blt bob bod boe boi bol boo bor bos bot brb brd bre bri brl bro brr brs brt bsb bsd bse bsi bsl bso bsr bss bst btb btd bte bti btl bto btr bts btt dbb dbd dbe dbi dbl dbo dbr dbs dbt ddb ddd dde ddi ddl ddo ddr dds ddt de- deb ded dee dei del deo der des det di- dib did die dii dil dio dir dis dit dl- dlb dld dle dli dll dlo dlr dls dlt dob dod doe doi dol doo dor dos dot drb drd dre dri drl dro drr drs drt dsb dsd dse dsi dsl dso dsr dss dst dtb dtd dte dti dtl dto dtr dts dtt ebb ebd ebe ebi ebl ebo ebr ebs ebt ed- edb edd ede edi edl edo edr eds edt eeb eed eee eel eeo eer ees eet eib eid eie eii eil eio eir eis eit elb eld ele eli ell elo elr els elt eo- eob eod eoe eoi eol eoo eor eos eot erb erd ere eri erl ero err ers ert es- esb esd ese esi esl eso esr ess est etb etd ete eti etl eto etr ets ett i-d ibb ibd ibe ibi ibl ibo ibr ibs ibt idb idd ide idi idl ido idr ids idt ie- ied iee iei iel ier ies iet iib iid iie iii iil iio iir iis iit il- ilb ild ile ili ill ilo ilr ils ilt io- iob iod ioe ioi iol ioo ior ios iot ir- irb ird ire iri irl iro irr irs irt is- isb isd ise isi isl iso isr iss ist itb itd ite iti itl ito its itt lbb lbd lbe lbi lbl lbo lbr lbs lbt ldb ldd lde ldi ldl ldo ldr lds ldt leb led lee lei lel leo ler les let lib lid lie lii lil lio lir lis lit llb lld lle lli lll llo llr lls llt lob lod loe loi lol loo lor los lot lrb lrd lri lro lrr lrs lrt lsb lsd lse lsi lsl lso lsr lss lst ltb ltd lte lti ltl lto ltr lts ltt o-i ob- obb obd obe obi obl obo obr obs obt odb odd ode odi odl odo odr ods odt oeb oed oee oei oel oeo oer oes oet oib oid oie oii oil oio oir ois oit olb old ole oli oll olo ols olt oo- oob ood ooi ool ooo oor oos oot or- orb ord ore ori orl oro orr ors ort os- osb osd ose osi osl oso osr oss ost ot- otb otd ote oti otl oto otr ots ott rbb rbd rbe rbi rbl rbo rbr rbs rbt rdb rdd rde rdi rdl rdo rdr rds rdt re- reb red ree rei rel reo rer res ret rib rid rie rii ril rio rir ris rit rld rle rli rll rlo rlr rls rlt rob rod roe roi rol roo ror ros rot rrb rrd rri rrl rrr rrs rrt rsb rsd rse rsi rsl rso rsr rss rst rtb rtd rte rti rtl rto rtr rts rtt sbb sbd sbe sbi sbl sbo sbr sbs sbt sdb sdd sde sdi sdl sdo sdr sds sdt se- seb sed see sei sel seo ser ses set sib sid sie sii sil sio sir sis sit slb sld sle sli sll slo slr sls slt sob sod soe soi sol soo sor sos sot sr- srb srd sre sri srl sro srr srs srt ss- ssb ssd sse ssi ssl sso ssr sss sst stb std ste sti stl sto str sts stt tbb tbd tbe tbi tbl tbo tbr tbs tbt tdb tdd tde tdi tdl tdo tdr tds tdt te- teb ted tee tei tel teo ter tes tet tib tid tie tii til tio tir tis tit tld tle tli tll tlo tlr tls tlt to- tob tod toe toi tol too tor tos tot trb trd tre tri trl tro trr trs trt tsb tsd tse tsi tsl tso tsr tss tst ttb ttd tte tti ttl tto ttr tts ttt