-er -ol bbb bbd bbe bbi bbl bbo bbr bbt bdb bdd bde bdi bdl bdo bdr bdt bdv be- beb bed bee bei bel beo ber bet bev bi- bib bid bie bii bil bio bir bit biv blb bld ble bli bll blo blr blt blv bob bod boe boi bol boo bor bot bov brb brd bre bri brl bro brr brt brv btb btd bte bti btl bto btr btt btv bvb bvd bve bvi bvl bvo bvr bvt bvv dbb dbd dbe dbi dbl dbo dbr dbt dbv ddb ddd dde ddi ddl ddo ddr ddt de- deb ded dee dei del deo der det dev di- dib did die dii dil dio dir dit div dl- dlb dld dle dli dll dlo dlr dlt dlv dob dod doe doi dol doo dor dot dov drb drd dre dri drl dro drr drt drv dtb dtd dte dti dtl dto dtr dtt dtv dvb dvd dve dvi dvl dvr dvt ebb ebd ebe ebi ebl ebo ebr ebt ebv ed- edb edd ede edi edl edo edr edt eeb eed eee eel eeo eer eet eev eib eid eie eii eil eio eir eit eiv elb eld ele eli ell elo elr elt elv eo- eob eod eoe eoi eol eoo eor eot erb erd ere eri erl ero err ert erv etb etd ete eti etl eto etr ett etv evb evd eve evi evl evo evr evt evv i-d i-v ibb ibd ibe ibi ibl ibo ibr ibt ibv idb idd ide idi idl ido idr idt idv ie- ied iee iei iel ier iet iev iib iid iie iii iil iio iir iit il- ilb ild ile ili ill ilo ilr ilt ilv io- iob iod ioe ioi iol ioo ior iot iov ir- irb ird ire iri irl iro irr irt irv itb itd ite iti itl ito itt itv ivb ivd ive ivi ivl ivo ivr ivt ivv lbb lbd lbe lbi lbl lbo lbr lbt lbv ldb ldd lde ldi ldl ldo ldr ldt ldv leb led lee lei lel leo ler let lev lib lid lie lii lil lio lir lit liv llb lld lle lli lll llo llr llt llv lob lod loe loi lol loo lor lot lov lrb lrd lri lro lrr lrt lrv ltb ltd lte lti ltl lto ltr ltt ltv lvb lvd lve lvi lvl lvr lvt lvv o-i ob- obb obd obe obi obl obo obr obt obv odb odd ode odi odl odo odr odt odv oeb oed oee oei oel oeo oer oet oib oid oie oii oil oio oir oit oiv olb old ole oli oll olo olt oo- oob ood ooi ool ooo oor oot oov or- orb ord ore ori orl oro orr ort orv ot- otb otd ote oti otl oto otr ott otv ov- ovb ovd ove ovi ovl ovo ovv rbb rbd rbe rbi rbl rbo rbr rbt rdb rdd rde rdi rdl rdo rdr rdt rdv re- reb red ree rei rel reo rer ret rev rib rid rie rii ril rio rir rit riv rld rle rli rll rlo rlr rlt rob rod roe roi rol roo ror rot rov rrb rrd rri rrl rrr rrt rtb rtd rte rti rtl rto rtr rtt rtv rvb rvd rve rvi rvl rvo rvr rvt rvv tbb tbd tbe tbi tbl tbo tbr tbt tbv tdb tdd tde tdi tdl tdo tdr tdt tdv te- teb ted tee tei tel teo ter tet tev tib tid tie tii til tio tir tit tiv tld tle tli tll tlo tlr tlt tlv to- tob tod toe toi tol too tor tot tov trb trd tre tri trl tro trr trt trv ttb ttd tte tti ttl tto ttr ttt ttv tvb tvd tve tvi tvl tvo tvr tvt v-e vbd vbi vbl vbo vbr vbv vdb vdd vde vdi vdl vdo vdr vdt vdv veb ved vee vei vel veo ver vet vi- vib vid vie vii vil vio vir vit viv vl- vlb vld vle vll vlo vlt vlv vob vod voe voi vol voo vor vot vov vrb vrd vre vri vrr vrt vtb vte vti vtl vto vtr vtt vtv vvb vvi vvo vvr vvt vvv