-er c-- ccc ccd cce ccr ccs cct ccu cdc cdd cde cdr cds cdt cdu ce- cec ced cee cer ces cet ceu crc crd cre crr crs crt cru csc csd cse csr css cst csu ctc ctd cte ctr cts ctt ctu cuc cud cue cur cus cut cuu dcc dcd dce dcr dcs dct dcu ddc ddd dde ddr dds ddt ddu de- dec ded dee der des det deu drc drd dre drr drs drt dru dsc dsd dse dsr dss dst dsu dtc dtd dte dtr dts dtt dtu duc dud due dur dus dut ec- ecc ecd ece ecr ecs ect ecu ed- edc edd ede edr eds edt edu eec eed eee eer ees eet erc erd ere err ers ert eru es- esc esd ese esr ess est esu etc etd ete etr ets ett etu eu- euc eud eue eur eus eut rcc rcd rce rcr rcs rct rcu rdc rdd rde rdr rds rdt rdu re- rec red ree rer res ret reu rrc rrd rrr rrs rrt rru rsc rsd rse rsr rss rst rsu rtc rtd rte rtr rts rtt rtu ruc rud rue rur rus rut ruu scc scd sce scr scs sct scu sdc sdd sde sdr sds sdt sdu se- sec sed see ser ses set seu sr- src srd sre srr srs srt ss- ssc ssd sse ssr sss sst ssu stc std ste str sts stt stu suc sud sue sur sus sut suu tcc tcd tce tcr tcs tct tcu tdc tdd tde tdr tds tdt tdu te- tec ted tee ter tes tet teu trc trd tre trr trs trt tru tsc tsd tse tsr tss tst tsu ttc ttd tte ttr tts ttt ttu tuc tud tue tur tus tut tuu ucc ucd uce ucr ucs uct ucu udc udd ude udr uds udt udu uec ued uee uer ues uet ur- urc urd ure urr urs urt uru usc usd use usr uss ust usu utc utd ute utr uts utt utu uuc uue uur uus uut uuu

c-cd cccc cccs cccu ccdc ccdr ccds cced ccee ccrc ccre ccrs ccrt ccsd ccss ccst cctc cctt ccuc ccus ccut cd-e cd-r cdcs cddr cdec cder cdes cdre cdrs cdss cec- cece cecs cect cedd cede cedt cedu ceec cees cer- cerc cerd cere cers cert cesc cese cesr cess cest cet- cete cets crcc crce crcr crdc cre- crec cred cree cres cret creu crrt crss crst crtc crts crud crue crus crut cscc cscd csce cscr cscs csdr csec csee cser cset csrc csrd csrs cssd csse cssr cstc cstd cstr csts csur csus ctec ctrc ctrs ctsc ctss ctsu ctts cucc cuce cude cuds cued cuer cues curd cure curr curs curt cusd cuss cust cusu cut- cutc cute cuts cutt dccc dccs dcct dccu dcds dcsc dcss dctc dcts dddd ddes ddrc ddre ddss ddts dec- decc decd dece decs dect dedd dede dedu deed deer dees deet der- derc dere derr ders des- desc dese dess dest desu dete detr dets deue deur deus deut dred dree dres dret drrs drue drus drut druu dscc dscr dscs dsdr dsrc dsrr dssc dsst dstc dsts dtcc dted dtss duce ducs duct dudd dude duds dudu duer dues duet dure durt duru duse dust dute duts duur duut eccc ecce ecct ecdc eced eces ecrc ecrr ecru ecsc ecse ecss ecsu ect- ectc ects ecus eddc edde edds ede- eder edes edru edss edts educ edur eecs eede eedu eeee eees eerc eers eese eetc eete eets eetu ercc erce erde erds erec ered erer eres eret errc erre errs erse erst erts ertu eruc erur erus esce escr escs escu esds esdu esee eser eses eset esrd esse esst essu estc estd este estr ests esus etcc etcs etds etec etee eter etes etre etsu ette ettu eucd eude euer eur- eurc eure eurt euse rccc rccs rcdc rcde rcds rcet rcrd rcsc rcsd rcss rctc rcts rder recc recd rece recr recs rect recu redc redd rede redr reds redu reed rees reet rerd rere rers rert reru rese ress rest retd rete retr rets rett reue reus reut reuu rred rrrr rscc rscs rsdd rsds rsee rsre rsts rstu rtcc rtce rtdt rtee rtes rtss rtts ruce ruct rudd rude ruds rued ruer rues ruet rurc rurd rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruud sccc scce sccs scct scdc scds scec scee scer scet scr- scrc scre scrs scsc scsd scsr scst scsu sctc sctd sctr scts scud scur scut sdcc sddc sdds sder sdes sdet sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-s se-t se-u sec- secc secd sece secr secs sect secu sede seds seec seed seer sees seet seeu serc serd sere serr sers sert seru sesc sese sess sest set- setc sete sets sett seur srcc srct srde srec sres srsd srtr sscc ssce sscs ssdc ssdd ssec ssee sses sset ssrc ssrs sssc ssss sstc sstd ssts stcc stcs stcu stds stec sted stee ster stes stet strc strd stre strs stru stss sttc sttd sttr stuc stud stue stur stus stut suc- succ sucr sucs sudd sude suds sued suee suer sues suet sueu sur- surc surd sure surr surs surt suru sus- susd suse suss sust susu sute sutu suus tccc tccu tcdd tctc tcts tdes tdse tdss tecr tecs tect tedd tede teds teec teed teer tees teet ter- terc tere terr ters teru tesc tesd tese tess test tete tetr tets tett tetu teut trcc tre- trec tred tree tres tret treu trsd trst trtc trte trtr truc trud true trus trut truu tscc tsec tses tset tsse tssr tsst tstc tsts tter ttss tttt tucc tude tudu tuer tues tuet turc turd ture turr turs turt turu tusc tusd tuss tust tute tuts tutt tutu ucdc ucdd uces ucrc ucsc ucsd ucst ucsu ucut udds uder udet