-er -ic c-- ccc ccd cce cci cck ccl ccr ccs cct ccu cdc cdd cde cdi cdk cdl cdr cds cdt cdu ce- cec ced cee cei cek cel cer ces cet ceu ci- cic cid cie cii cik cil cir cis cit ciu ckc ckd cki cks ckt cl- clc cld cle cli clk cll clr cls clt clu crc crd cre cri crk crl crr crs crt cru csc csd cse csi csk csl csr css cst csu ctc ctd cte cti ctk ctl ctr cts ctt ctu cuc cud cue cui cuk cul cur cus cut cuu dcc dcd dce dci dck dcl dcr dcs dct dcu ddc ddd dde ddi ddk ddl ddr dds ddt ddu de- dec ded dee dei dek del der des det deu di- dic did die dii dik dil dir dis dit diu dkc dke dki dkk dkl dkr dks dkt dku dl- dlc dld dle dli dlk dll dlr dls dlt dlu drc drd dre dri drk drl drr drs drt dru dsc dsd dse dsi dsk dsl dsr dss dst dsu dtc dtd dte dti dtk dtl dtr dts dtt dtu duc dud due dui duk dul dur dus dut ec- ecc ecd ece eci eck ecl ecr ecs ect ecu ed- edc edd ede edi edk edl edr eds edt edu eec eed eee eek eel eer ees eet eic eid eie eii eik eil eir eis eit eiu ekc ekd eke eki ekl ekr eks ekt eku elc eld ele eli elk ell elr els elt elu erc erd ere eri erk erl err ers ert eru es- esc esd ese esi esk esl esr ess est esu etc etd ete eti etk etl etr ets ett etu eu- euc eud eue eui eul eur eus eut i-d icc icd ice ici ick icl icr ics ict icu idc idd ide idi idk idl idr ids idt idu ie- iec ied iee iei iek iel ier ies iet iic iid iie iii iil iir iis iit iiu ikc ike iki ikk ikl ikr iks ikt iku il- ilc ild ile ili ilk ill ilr ils ilt ilu ir- irc ird ire iri irk irl irr irs irt iru is- isc isd ise isi isk isl isr iss ist isu itc itd ite iti itk itl its itt itu iu- iuc iud iue iui iur ius iut k-t kcc kcd kce kci kck kcl kcr kcs kct kcu kdc kde kdk kdl kdr kds kdt kdu ke- kec ked kee kei kek kel ker kes ket kic kid kie kii kik kil kir kis kit kiu kkc kke kki kkk kkl kkr kks kkt kku kl- klc kld kli klr kls klt klu krc krd kri krk krl krr krs krt kru ksc ksd kse ksi ksk ksl ksr kss kst ksu ktc kte ktk ktl ktr kts ktt ktu kuc kud kue kui kuk kul kur kus kut kuu lcc lcd lce lci lck lcl lcr lcs lct lcu ldc ldd lde ldi ldk ldl ldr lds ldt ldu lec led lee lei lek lel ler les let leu lic lid lie lii lik lil lir lis lit liu lkl lkr lks lkt llc lld lle lli llk lll llr lls llt llu lrc lrd lri lrk lrr lrs lrt lru lsc lsd lse lsi lsk lsl lsr lss lst lsu ltc ltd lte lti ltk ltl ltr lts ltt ltu luc lud lue lui luk lul lur lus lut luu rcc rcd rce rci rcl rcr rcs rct rcu rdc rdd rde rdi rdl rdr rds rdt rdu re- rec red ree rei rek rel rer res ret reu ric rid rie rii rik ril rir ris rit rkc rke rkk rks rkt rku rlc rld rle rli rll rlr rls rlt rlu rrc rrd rri rrk rrl rrr rrs rrt rru rsc rsd rse rsi rsk rsl rsr rss rst rsu rtc rtd rte rti rtk rtl rtr rts rtt rtu ruc rud rue rui ruk rur rus rut ruu scc scd sce sci sck scl scr scs sct scu sdc sdd sde sdi sdk sdl sdr sds sdt sdu se- sec sed see sei sek sel ser ses set seu sic sid sie sii sik sil sir sis sit siu sk- skc skd ske ski skk skl skr sks skt sku slc sld sle sli slk sll slr sls slt slu sr- src srd sre sri srk srl srr srs srt ss- ssc ssd sse ssi ssk ssl ssr sss sst ssu stc std ste sti stk stl str sts stt stu suc sud sue sui suk sul sur sus sut suu tcc tcd tce tci tck tcl tcr tcs tct tcu tdc tdd tde tdi tdk tdl tdr tds tdt tdu te- tec ted tee tei tek tel ter tes tet teu tic tid tie tii tik til tir tis tit tiu tkc tke tkk tkl tkr tks tkt tlc tld tle tli tlk tll tlr tls tlt tlu trc trd tre tri trk trl trr trs trt tru tsc tsd tse tsi tsk tsl tsr tss tst tsu ttc ttd tte tti ttk ttl ttr tts ttt ttu tuc tud tue tui tuk tul tur tus tut tuu ucc ucd uce uci uck ucl ucr ucs uct ucu udc udd ude udi udk udl udr uds udt udu uec ued uee uei uel uer ues uet uic uid uie uii uil uir uis uit uiu ukc uke uki ukk ukl ukr uku ulc uld ule uli ulk ull ulr uls ult ulu ur- urc urd ure uri urk url urr urs urt uru usc usd use usi usk usl usr uss ust usu utc utd ute uti utk utl utr uts utt utu uuc uue uur uus uut uuu

c-cd cccc ccci cccl cccs cccu ccdc ccdi ccdr ccds cced ccee ccel ccic ccid ccii ccil ccir ccis cclc ccli ccls ccrc ccre ccri ccrl ccrs ccrt ccsd ccsi ccsl ccss