-er ddd dde ddi ddl ddm ddr dds ddu de- ded dee dei del dem der des deu di- did die dii dil dim dir dis diu dl- dld dle dli dll dlm dlr dls dlu dmd dme dmi dml dmm dmr dms dmu drd dre dri drl drm drr drs dru dsd dse dsi dsl dsm dsr dss dsu dud due dui dul dum dur dus ed- edd ede edi edl edm edr eds edu eed eee eel eem eer ees eid eie eii eil eim eir eis eiu eld ele eli ell elm elr els elu em- emd eme emi eml emm emr ems emu erd ere eri erl erm err ers eru es- esd ese esi esl esm esr ess esu eu- eud eue eui eul eur eus i-d idd ide idi idl idm idr ids idu ie- ied iee iei iel iem ier ies iid iie iii iil iim iir iis iiu il- ild ile ili ill ilm ilr ils ilu im- imd ime imi iml imm ims imu ir- ird ire iri irl irm irr irs iru is- isd ise isi isl ism isr iss isu iu- iud iue iui ium iur ius ldd lde ldi ldl ldm ldr lds ldu led lee lei lel lem ler les leu lid lie lii lil lim lir lis liu lld lle lli lll llm llr lls llu lmd lme lmi lml lmm lmr lms lmu lrd lri lrm lrr lrs lru lsd lse lsi lsl lsm lsr lss lsu lud lue lui lul lum lur lus luu m-r mdd mde mdi mdl mdm mdr mds mdu med mee mei mel mem mer mes meu mi- mid mie mii mil mim mir mis miu mld mle mli mll mlm mlr mls mlu mmd mme mmi mml mmm mmr mms mmu mrd mre mri mrl mrm mrr mrs mru msd mse msi msl msm msr mss msu mud mue mui mul mum mur mus muu rdd rde rdi rdl rdm rdr rds rdu re- red ree rei rel rem rer res reu rid rie rii ril rim rir ris rld rle rli rll rlm rlr rls rlu rmd rme rmi rml rmm rmr rms rrd rri rrl rrm rrr rrs rru rsd rse rsi rsl rsm rsr rss rsu rud rue rui rum rur rus ruu sdd sde sdi sdl sdm sdr sds sdu se- sed see sei sel sem ser ses seu sid sie sii sil sim sir sis siu sld sle sli sll slm slr sls slu smd sme smi sml smm smr sms smu sr- srd sre sri srl srm srr srs ss- ssd sse ssi ssl ssm ssr sss ssu sud sue sui sul sum sur sus suu udd ude udi udl udm udr uds udu ued uee uei uel uem uer ues uid uie uii uil uim uir uis uiu uld ule uli ull ulm ulr uls ulu um- umd ume umi uml umm umr ums umu ur- urd ure uri url urm urr urs uru usd use usi usl usm usr uss usu uue uum uur uus uuu