-er -up ddd dde ddf ddi ddl ddp ddr dds ddt ddu de- ded dee def dei del dep der des det deu dfd dfe dff dfi dfl dfp dfr dfs dft dfu di- did die dif dii dil dip dir dis dit diu dl- dld dle dlf dli dll dlp dlr dls dlt dlu dpd dpe dpf dpi dpl dpp dpr dps dpt dpu drd dre dri drl drp drr drs drt dru dsd dse dsf dsi dsl dsp dsr dss dst dsu dtd dte dtf dti dtl dtp dtr dts dtt dtu dud due duf dui dul dup dur dus dut ed- edd ede edf edi edl edp edr eds edt edu eed eee eef eel eep eer ees eet ef- efd efe eff efi efl efp efr efs eft eid eie eif eii eil eip eir eis eit eiu eld ele elf eli ell elp elr els elt elu ep- epd epe epf epi epl epp epr eps ept epu erd ere erf eri erl erp err ers ert eru es- esd ese esf esi esl esp esr ess est esu etd ete etf eti etl etp etr ets ett etu eu- eud eue euf eui eul eup eur eus eut fdd fde fdf fdi fdl fdp fdr fds fdt fdu fed fee fef fei fel fep fer fes fet feu ffd ffe fff ffi ffl ffp ffr ffs fft ffu fid fie fif fii fil fip fir fis fit fiu fld fle flf fli fll flp flr fls flt flu fpd fpe fpi fpl fpp fpr fps fpt fpu frd fre frf fri frl frp frr frs frt fru fsd fse fsf fsi fsl fsp fsr fss fst fsu ftd fte ftf fti ftl ftp ftr fts ftt ftu fud fue fuf fui ful fup fur fus fut fuu i-d i-f idd ide idf idi idl idp idr ids idt idu ie- ied iee ief iei iel iep ier ies iet ifd ife iff ifi ifl ifp ifr ifs ift ifu iid iie iif iii iil iip iir iis iit iiu il- ild ile ilf ili ill ilp ilr ils ilt ilu ipd ipe ipf ipi ipl ipp ipr ips ipt ipu ir- ird ire irf iri irl irp irr irs irt iru is- isd ise isf isi isl isp isr iss ist isu itd ite itf iti itl itp its itt itu iu- iud iue iui iup iur ius iut l-p ldd lde ldf ldi ldl ldp ldr lds ldt ldu led lee lef lei lel lep ler les let leu lfd lfe lff lfi lfl lfp lfr lfs lft lfu lid lie lif lii lil lip lir lis lit liu lld lle llf lli lll llp llr lls llt llu lpd lpe lpf lpi lpl lpp lpr lps lpt lpu lrd lrf lri lrp lrr lrs lrt lru lsd lse lsf lsi lsl lsp lsr lss lst lsu ltd lte ltf lti ltl ltp ltr lts ltt ltu lud lue luf lui lul lup lur lus lut luu p-p pdd pde pdf pdi pdl pdp pdr pds pdt pdu ped pee pef pei pel pep per pes pet peu pfd pfe pff pfi pfl pfp pfr pfs pft pfu pid pie pif pii pil pip pir pis pit piu pld ple plf pli pll plp plr pls plt plu ppd ppe ppf ppi ppl ppp ppr pps ppt ppu prd pre prf pri prl prp prr prs prt pru ps- psd pse psf psi psl psp psr pss pst psu pt- ptd pte ptf pti ptl ptp ptr pts ptt ptu pud pue puf pui pul pup pur pus put puu rdd rde rdf rdi rdl rdp rdr rds rdt rdu re- red ree ref rei rel rep rer res ret reu rfd rfe rff rfi rfl rfp rfr rfs rft rfu rid rie rif rii ril rip rir ris rit rld rle rlf rli rll rlp rlr rls rlt rlu rpd rpe rpf rpi rpl rpp rpr rps rpt rpu rrd rrf rri rrl rrp rrr rrs rrt rru rsd rse rsf rsi rsl rsp rsr rss rst rsu rtd rte rtf rti rtl rtp rtr rts rtt rtu rud rue ruf rui rup rur rus rut ruu sdd sde sdf sdi sdl sdp sdr sds sdt sdu se- sed see sef sei sel sep ser ses set seu sfd sfe sff sfi sfl sfp sfr sfs sft sfu sid sie sif sii sil sip sir sis sit siu sld sle slf sli sll slp slr sls slt slu spd spe spf spi spl spp spr sps spt spu sr- srd sre srf sri srl srp srr srs srt ss- ssd sse ssf ssi ssl ssp ssr sss sst ssu std ste stf sti stl stp str sts stt stu sud sue suf sui sul sup sur sus sut suu tdd tde tdf tdi tdl tdp tdr tds tdt tdu te- ted tee tef tei tel tep ter tes tet teu tfd tfe tff tfi tfl tfp tfr tfs tft tfu tid tie tif tii til tip tir tis tit tiu tld tle tlf tli tll tlp tlr tls tlt tlu tpd tpe tpf tpi tpl tpp tpr tps tpt tpu trd tre trf tri trl trp trr trs trt tru tsd tse tsf tsi tsl tsp tsr tss tst tsu ttd tte ttf tti ttl ttp ttr tts ttt ttu tud tue tuf tui tul tup tur tus tut tuu udd ude udf udi udl udp udr uds udt udu ued uee uef uei uel uep uer ues uet ufd ufe uff ufi ufl ufp ufr ufs uft ufu uid uie uif uii uil uip uir uis uit uiu uld ule ulf uli ull ulp ulr uls ult ulu up- upd upe upf upi upp upr ups upt upu ur- urd ure urf uri url urp urr urs urt uru usd use usf usi usl usp usr uss ust usu utd ute utf uti utl utp utr uts utt utu uue uur