-er -up ddd dde ddi ddl ddp ddr dds ddt ddu de- ded dee dei del dep der des det deu di- did die dii dil dip dir dis dit diu dl- dld dle dli dll dlp dlr dls dlt dlu dpd dpe dpi dpl dpp dpr dps dpt dpu drd dre dri drl drp drr drs drt dru dsd dse dsi dsl dsp dsr dss dst dsu dtd dte dti dtl dtp dtr dts dtt dtu dud due dui dul dup dur dus dut ed- edd ede edi edl edp edr eds edt edu eed eee eel eep eer ees eet eid eie eii eil eip eir eis eit eiu eld ele eli ell elp elr els elt elu ep- epd epe epi epl epp epr eps ept epu erd ere eri erl erp err ers ert eru es- esd ese esi esl esp esr ess est esu etd ete eti etl etp etr ets ett etu eu- eud eue eui eul eup eur eus eut i-d idd ide idi idl idp idr ids idt idu ie- ied iee iei iel iep ier ies iet iid iie iii iil iip iir iis iit iiu il- ild ile ili ill ilp ilr ils ilt ilu ipd ipe ipi ipl ipp ipr ips ipt ipu ir- ird ire iri irl irp irr irs irt iru is- isd ise isi isl isp isr iss ist isu itd ite iti itl itp its itt itu iu- iud iue iui iup iur ius iut l-p ldd lde ldi ldl ldp ldr lds ldt ldu led lee lei lel lep ler les let leu lid lie lii lil lip lir lis lit liu lld lle lli lll llp llr lls llt llu lpd lpe lpi lpl lpp lpr lps lpt lpu lrd lri lrp lrr lrs lrt lru lsd lse lsi lsl lsp lsr lss lst lsu ltd lte lti ltl ltp ltr lts ltt ltu lud lue lui lul lup lur lus lut luu p-p pdd pde pdi pdl pdp pdr pds pdt pdu ped pee pei pel pep per pes pet peu pid pie pii pil pip pir pis pit piu pld ple pli pll plp plr pls plt plu ppd ppe ppi ppl ppp ppr pps ppt ppu prd pre pri prl prp prr prs prt pru ps- psd pse psi psl psp psr pss pst psu pt- ptd pte pti ptl ptp ptr pts ptt ptu pud pue pui pul pup pur pus put puu rdd rde rdi rdl rdp rdr rds rdt rdu re- red ree rei rel rep rer res ret reu rid rie rii ril rip rir ris rit rld rle rli rll rlp rlr rls rlt rlu rpd rpe rpi rpl rpp rpr rps rpt rpu rrd rri rrl rrp rrr rrs rrt rru rsd rse rsi rsl rsp rsr rss rst rsu rtd rte rti rtl rtp rtr rts rtt rtu rud rue rui rup rur rus rut ruu sdd sde sdi sdl sdp sdr sds sdt sdu se- sed see sei sel sep ser ses set seu sid sie sii sil sip sir sis sit siu sld sle sli sll slp slr sls slt slu spd spe spi spl spp spr sps spt spu sr- srd sre sri srl srp srr srs srt ss- ssd sse ssi ssl ssp ssr sss sst ssu std ste sti stl stp str sts stt stu sud sue sui sul sup sur sus sut suu tdd tde tdi tdl tdp tdr tds tdt tdu te- ted tee tei tel tep ter tes tet teu tid tie tii til tip tir tis tit tiu tld tle tli tll tlp tlr tls tlt tlu tpd tpe tpi tpl tpp tpr tps tpt tpu trd tre tri trl trp trr trs trt tru tsd tse tsi tsl tsp tsr tss tst tsu ttd tte tti ttl ttp ttr tts ttt ttu tud tue tui tul tup tur tus tut tuu udd ude udi udl udp udr uds udt udu ued uee uei uel uep uer ues uet uid uie uii uil uip uir uis uit uiu uld ule uli ull ulp ulr uls ult ulu up- upd upe upi upp upr ups upt upu ur- urd ure uri url urp urr urs urt uru usd use usi usl usp usr uss ust usu utd ute uti utl utp utr uts utt utu uue uur uus uut uuu