-er -ol bbb bbd bbe bbg bbi bbl bbo bbr bbs bbt bdb bdd bde bdg bdi bdl bdo bdr bds bdt be- beb bed bee beg bei bel beo ber bes bet bgb bgd bge bgg bgi bgl bgo bgr bgs bgt bi- bib bid bie big bii bil bio bir bis bit blb bld ble blg bli bll blo blr bls blt bob bod boe bog boi bol boo bor bos bot brb brd bre brg bri brl bro brr brs brt bsb bsd bse bsg bsi bsl bso bsr bss bst btb btd bte btg bti btl bto btr bts btt dbb dbd dbe dbg dbi dbl dbo dbr dbs dbt ddb ddd dde ddg ddi ddl ddo ddr dds ddt de- deb ded dee deg dei del deo der des det dgd dge dgg dgi dgl dgr dgs dgt di- dib did die dig dii dil dio dir dis dit dl- dlb dld dle dlg dli dll dlo dlr dls dlt dob dod doe dog doi dol doo dor dos dot drb drd dre drg dri drl dro drr drs drt dsb dsd dse dsg dsi dsl dso dsr dss dst dtb dtd dte dtg dti dtl dto dtr dts dtt ebb ebd ebe ebg ebi ebl ebo ebr ebs ebt ed- edb edd ede edg edi edl edo edr eds edt eeb eed eee eeg eel eeo eer ees eet egb egd ege egg egi egl ego egr egs egt eib eid eie eig eii eil eio eir eis eit elb eld ele elg eli ell elo elr els elt eo- eob eod eoe eog eoi eol eoo eor eos eot erb erd ere erg eri erl ero err ers ert es- esb esd ese esg esi esl eso esr ess est etb etd ete etg eti etl eto etr ets ett g-d gbd gbe gbg gbi gbl gbo gbr gbs gbt gdb gdd gde gdi gdl gdo gdr gds gdt ge- geb ged gee geg gei gel geo ger ges get ggb ggd ggg ggi ggo ggr ggs ggt gib gid gie gig gii gil gio gir gis git glb gld gle glg gli gll glo glr gls glt gob god goe gog goi gol goo gor gos got grb grd gre grg gri grl gro grr grs grt gsb gsd gse gsg gsi gsl gso gsr gss gst gtb gtd gte gtg gti gtl gto gtr gts gtt i-d ibb ibd ibe ibg ibi ibl ibo ibr ibs ibt idb idd ide idg idi idl ido idr ids idt ie- ied iee ieg iei iel ier ies iet igb igd ige igg igi igl igo igr igs igt iib iid iie iii iil iio iir iis iit il- ilb ild ile ilg ili ill ilo ilr ils ilt io- iob iod ioe iog ioi iol ioo ior ios iot ir- irb ird ire irg iri irl iro irr irs irt is- isb isd ise isg isi isl iso isr iss ist itb itd ite itg iti itl ito its itt lbb lbd lbe lbg lbi lbl lbo lbr lbs lbt ldb ldd lde ldg ldi ldl ldo ldr lds ldt leb led lee leg lei lel leo ler les let lgb lgd lge lgg lgi lgl lgo lgr lgs lgt lib lid lie lig lii lil lio lir lis lit llb lld lle llg lli lll llo llr lls llt lob lod loe log loi lol loo lor los lot lrb lrd lrg lri lro lrr lrs lrt lsb lsd lse lsg lsi lsl lso lsr lss lst ltb ltd lte ltg lti ltl lto ltr lts ltt o-i ob- obb obd obe obg obi obl obo obr obs obt odb odd ode odg odi odl odo odr ods odt oeb oed oee oeg oei oel oeo oer oes oet ogd oge ogg ogi ogl ogo ogs ogt oib oid oie oii oil oio oir ois oit olb old ole olg oli oll olo ols olt oo- oob ood oog ooi ool ooo oor oos oot or- orb ord ore org ori orl oro orr ors ort os- osb osd ose osg osi osl oso osr oss ost ot- otb otd ote otg oti otl oto otr ots ott rbb rbd rbe rbg rbi rbl rbo rbr rbs rbt rdb rdd rde rdg rdi rdl rdo rdr rds rdt re- reb red ree reg rei rel reo rer res ret rgb rgd rge rgg rgi rgo rgr rgs rgt rib rid rie rig rii ril rio rir ris rit rld rle rlg rli rll rlo rlr rls rlt rob rod roe rog roi rol roo ror ros rot rrb rrd rrg rri rrl rrr rrs rrt rsb rsd rse rsg rsi rsl rso rsr rss rst rtb rtd rte rtg rti rtl rto rtr rts rtt sbb sbd sbe sbg sbi sbl sbo sbr sbs sbt sdb sdd sde sdg sdi sdl sdo sdr sds sdt se- seb sed see seg sei sel seo ser ses set sgb sgd sge sgg sgi sgl sgo sgr sgs sgt sib sid sie sig sii sil sio sir sis sit slb sld sle slg sli sll slo slr sls slt sob sod soe sog soi sol soo sor sos sot sr- srb srd sre srg sri srl sro srr srs srt ss- ssb ssd sse ssg ssi ssl sso ssr sss sst stb std ste stg sti stl sto str sts stt tbb tbd tbe tbg tbi tbl tbo tbr tbs tbt tdb tdd tde tdg tdi tdl tdo tdr tds tdt te- teb ted tee teg tei tel teo ter tes tet tgb tge tgg tgi tgl tgo tgr tgs tgt tib tid tie tig tii til tio tir tis tit tld tle tlg tli tll tlo tlr tls tlt to- tob tod toe tog toi tol too tor tos tot trb trd tre trg tri trl tro trr trs trt tsb tsd tse tsg tsi tsl tso tsr tss tst ttb ttd tte ttg