-er -ol ddd dde ddi ddl ddo ddr dds ddu de- ded dee dei del deo der des deu dev di- did die dii dil dio dir dis diu div dl- dld dle dli dll dlo dlr dls dlu dlv dod doe doi dol doo dor dos dou dov drd dre dri drl dro drr drs dru drv dsd dse dsi dsl dso dsr dss dsu dsv dud due dui dul duo dur dus duv dvd dve dvi dvl dvr dvs dvu ed- edd ede edi edl edo edr eds edu eed eee eel eeo eer ees eev eid eie eii eil eio eir eis eiu eiv eld ele eli ell elo elr els elu elv eo- eod eoe eoi eol eoo eor eos eou erd ere eri erl ero err ers eru erv es- esd ese esi esl eso esr ess esu esv eu- eud eue eui eul eur eus euv evd eve evi evl evo evr evs evv i-d i-v idd ide idi idl ido idr ids idu idv ie- ied iee iei iel ier ies iev iid iie iii iil iio iir iis iiu il- ild ile ili ill ilo ilr ils ilu ilv io- iod ioe ioi iol ioo ior ios iou iov ir- ird ire iri irl iro irr irs iru irv is- isd ise isi isl iso isr iss isu isv iu- iud iue iui iur ius ivd ive ivi ivl ivo ivr ivs ivu ivv ldd lde ldi ldl ldo ldr lds ldu ldv led lee lei lel leo ler les leu lev lid lie lii lil lio lir lis liu liv lld lle lli lll llo llr lls llu llv lod loe loi lol loo lor los lou lov lrd lri lro lrr lrs lru lrv lsd lse lsi lsl lso lsr lss lsu lsv lud lue lui lul luo lur lus luu luv lvd lve lvi lvl lvr lvs lvv o-i odd ode odi odl odo odr ods odu odv oed oee oei oel oeo oer oes oid oie oii oil oio oir ois oiu oiv old ole oli oll olo ols olu oo- ood ooi ool ooo oor oos oov or- ord ore ori orl oro orr ors oru orv os- osd ose osi osl oso osr oss osu osv ou- oud oue oui oul ouo our ous ov- ovd ove ovi ovl ovo ovs ovv rdd rde rdi rdl rdo rdr rds rdu rdv re- red ree rei rel reo rer res reu rev rid rie rii ril rio rir ris riv rld rle rli rll rlo rlr rls rlu rod roe roi rol roo ror ros rou rov rrd rri rrl rrr rrs rru rsd rse rsi rsl rso rsr rss rsu rsv rud rue rui ruo rur rus ruu ruv rvd rve rvi rvl rvo rvr rvs rvu rvv sdd sde sdi sdl sdo sdr sds sdu sdv se- sed see sei sel seo ser ses seu sev sid sie sii sil sio sir sis siu siv sld sle sli sll slo slr sls slu slv sod soe soi sol soo sor sos sou sov sr- srd sre sri srl sro srr srs srv ss- ssd sse ssi ssl sso ssr sss ssu ssv sud sue sui sul suo sur sus suu suv svd sve svi svl svo svr svs svu svv udd ude udi udl udo udr uds udu udv ued uee uei uel uer ues uid uie uii uil uio uir uis uiu uld ule uli ull ulo ulr uls ulu ulv uod uoe uol uoo uor uos ur- urd ure uri url uro urr urs uru usd use usi usl uso usr uss usu usv uue uur uus uuu uve uvl uvo uvs uvu uvv v-e vdd vde vdi vdl vdo vdr vds vdu vdv ved vee vei vel veo ver ves veu vi- vid vie vii vil vio vir vis viu viv vl- vld vle vll vlo vls vlv vod voe voi vol voo vor vos vou vov vrd vre vri vrr vrs vru vsd vse vsi vsl vso vsr vss vsu vsv vue vul vur vus vuv vvi vvo vvr vvs vvv