-er -ol -th ddd dde ddf ddh ddi ddl ddo ddr dds ddt de- ded dee def deh dei del deo der des det dfd dfe dff dfh dfi dfl dfo dfr dfs dft dh- dhd dhe dhf dhh dhi dhl dho dhr dhs dht di- did die dif dih dii dil dio dir dis dit dl- dld dle dlf dlh dli dll dlo dlr dls dlt dod doe dof doh doi dol doo dor dos dot drd dre dri drl dro drr drs drt dsd dse dsf dsh dsi dsl dso dsr dss dst dtd dte dtf dth dti dtl dto dtr dts dtt ed- edd ede edf edh edi edl edo edr eds edt eed eee eef eel eeo eer ees eet ef- efd efe eff efh efi efl efo efr efs eft ehd ehe ehf ehh ehi ehl eho ehr ehs eht eid eie eif eii eil eio eir eis eit eld ele elf elh eli ell elo elr els elt eo- eod eoe eof eoh eoi eol eoo eor eos eot erd ere erf erh eri erl ero err ers ert es- esd ese esf esh esi esl eso esr ess est etd ete etf eth eti etl eto etr ets ett fdd fde fdf fdh fdi fdl fdo fdr fds fdt fed fee fef feh fei fel feo fer fes fet ffd ffe fff ffh ffi ffl ffo ffr ffs fft fhe fhf fhh fhi fhl fho fhr fhs fid fie fif fih fii fil fir fis fit fld fle flf fli fll flo flr fls flt foe fof foh foi fol foo for fos fot frd fre frf frh fri frl fro frr frs frt fsd fse fsf fsh fsi fsl fso fsr fss fst ftd fte ftf fth fti ftl fto ftr fts ftt h-i hdd hde hdf hdh hdi hdl hdo hdr hds hdt he- hed hee hef heh hei hel heo her hes het hfd hfe hff hfh hfi hfl hfo hfr hfs hft hhd hhe hhf hhh hhi hhl hho hhr hhs hht hid hie hif hih hii hil hio hir his hit hld hle hlf hlh hli hll hlo hlr hls hlt hod hoe hof hoh hoi hol hoo hor hos hot hr- hrd hre hrf hrh hri hrl hro hrr hrs hrt hsd hse hsf hsh hsi hsl hsr hss hst htd hte htf hth hti htl hto htr hts htt i-d i-f idd ide idf idh idi idl ido idr ids idt ie- ied iee ief iei iel ier ies iet ifd ife iff ifi ifl ifo ifr ifs ift ihd ihe ihf ihh ihi ihl iho ihr ihs iht iid iie iif iih iii iil iio iir iis iit il- ild ile ilf ilh ili ill ilo ilr ils ilt io- iod ioe iof ioh ioi iol ioo ior ios iot ir- ird ire irf iri irl iro irr irs irt is- isd ise isf ish isi isl iso isr iss ist itd ite itf ith iti itl ito its itt ldd lde ldf ldh ldi ldl ldo ldr lds ldt led lee lef leh lei lel leo ler les let lfd lfe lff lfh lfi lfl lfo lfr lfs lft lhd lhf lhh lhi lho lhr lhs lht lid lie lif lih lii lil lio lir lis lit lld lle llf lli lll llo llr lls llt lod loe lof loh loi lol loo lor los lot lrd lrf lrh lri lro lrr lrs lrt lsd lse lsf lsh lsi lsl lso lsr lss lst ltd lte ltf lth lti ltl lto ltr lts ltt o-i odd ode odf odh odi odl odo odr ods odt oed oee oef oeh oei oel oeo oer oes oet of- ofd ofe off ofi ofl ofo ofr ofs oft ohd ohe ohf ohh ohi ohl oho ohr ohs oht oid oie oif oii oil oio oir ois oit old ole olf oli oll olo ols olt oo- ood oof ooh ooi ool ooo oor oos oot or- ord ore orf orh ori orl oro orr ors ort os- osd ose osf osh osi osl oso osr oss ost ot- otd ote otf oth oti otl oto otr ots ott rdd rde rdf rdh rdi rdl rdo rdr rds rdt re- red ree ref reh rei rel reo rer res ret rfd rfe rff rfh rfi rfl rfo rfr rfs rft rh- rhd rhe rhf rhh rhi rhl rho rhr rhs rht rid rie rif rih rii ril rio rir ris rit rld rle rlf rlh rli rll rlo rlr rls rlt rod roe rof roh roi rol roo ror ros rot rrd rrf rrh rri rrl rrr rrs rrt rsd rse rsf rsh rsi rsl rso rsr rss rst rtd rte rtf rti rtl rto rtr rts rtt sdd sde sdf sdh sdi sdl sdo sdr sds sdt se- sed see sef seh sei sel seo ser ses set sfd sfe sff sfh sfi sfl sfo sfr sfs sft sh- shd she shf shh shi shl sho shr shs sht sid sie sif sih sii sil sio sir sis sit sld sle slf slh sli sll slo slr sls slt sod soe sof soh soi sol soo sor sos sot sr- srd sre srf srh sri srl sro srr srs srt ss- ssd sse ssf ssh ssi ssl sso ssr sss sst std ste stf sth sti stl sto str sts stt tdd tde tdf tdh tdi tdl tdo tdr tds tdt te- ted tee tef teh tei tel teo ter tes tet tfd tfe tff tfh tfi tfl tfo tfr tfs tft th- thd the thf thh thi thl tho thr ths tht tid tie tif tih tii til tio tir tis tit tld tle tlf tlh tli tll tlo tlr tls tlt to- tod toe tof toh toi tol too tor tos tot trd tre trf trh tri trl tro trr trs trt tsd tse tsf tsh tsi tsl tso tsr tss tst ttd tte ttf