-er -ic c-- ccc ccd cce cci cck ccl ccr cct ccu cdc cdd cde cdi cdk cdl cdr cdt cdu ce- cec ced cee cei cek cel cer cet ceu ci- cic cid cie cii cik cil cir cit ciu ckc ckd cki ckt cl- clc cld cle cli clk cll clr clt clu crc crd cre cri crk crl crr crt cru ctc ctd cte cti ctk ctl ctr ctt ctu cuc cud cue cui cuk cul cur cut cuu dcc dcd dce dci dck dcl dcr dct dcu ddc ddd dde ddi ddk ddl ddr ddt ddu de- dec ded dee dei dek del der det deu di- dic did die dii dik dil dir dit diu dkc dke dki dkk dkl dkr dkt dku dl- dlc dld dle dli dlk dll dlr dlt dlu drc drd dre dri drk drl drr drt dru dtc dtd dte dti dtk dtl dtr dtt dtu duc dud due dui duk dul dur dut ec- ecc ecd ece eci eck ecl ecr ect ecu ed- edc edd ede edi edk edl edr edt edu eec eed eee eek eel eer eet eic eid eie eii eik eil eir eit eiu ekc ekd eke eki ekl ekr ekt eku elc eld ele eli elk ell elr elt elu erc erd ere eri erk erl err ert eru etc etd ete eti etk etl etr ett etu eu- euc eud eue eui eul eur eut i-d icc icd ice ici ick icl icr ict icu idc idd ide idi idk idl idr idt idu ie- iec ied iee iei iek iel ier iet iic iid iie iii iil iir iit iiu ikc ike iki ikk ikl ikr ikt iku il- ilc ild ile ili ilk ill ilr ilt ilu ir- irc ird ire iri irk irl irr irt iru itc itd ite iti itk itl itt itu iu- iuc iud iue iui iur iut k-t kcc kcd kce kci kck kcl kcr kct kcu kdc kde kdk kdl kdr kdt kdu ke- kec ked kee kei kek kel ker ket kic kid kie kii kik kil kir kit kiu kkc kke kki kkk kkl kkr kkt kku kl- klc kld kli klr klt klu krc krd kri krk krl krr krt kru ktc kte ktk ktl ktr ktt ktu kuc kud kue kui kuk kul kur kut kuu lcc lcd lce lci lck lcl lcr lct lcu ldc ldd lde ldi ldk ldl ldr ldt ldu lec led lee lei lek lel ler let leu lic lid lie lii lik lil lir lit liu lkl lkr lkt llc lld lle lli llk lll llr llt llu lrc lrd lri lrk lrr lrt lru ltc ltd lte lti ltk ltl ltr ltt ltu luc lud lue lui luk lul lur lut luu rcc rcd rce rci rcl rcr rct rcu rdc rdd rde rdi rdl rdr rdt rdu re- rec red ree rei rek rel rer ret reu ric rid rie rii rik ril rir rit rkc rke rkk rkt rku rlc rld rle rli rll rlr rlt rlu rrc rrd rri rrk rrl rrr rrt rru rtc rtd rte rti rtk rtl rtr rtt rtu ruc rud rue rui ruk rur rut ruu tcc tcd tce tci tck tcl tcr tct tcu tdc tdd tde tdi tdk tdl tdr tdt tdu te- tec ted tee tei tek tel ter tet teu tic tid tie tii tik til tir tit tiu tkc tke tkk tkl tkr tkt tlc tld tle tli tlk tll tlr tlt tlu trc trd tre tri trk trl trr trt tru ttc ttd tte tti ttk ttl ttr ttt ttu tuc tud tue tui tuk tul tur tut tuu ucc ucd uce uci uck ucl ucr uct ucu udc udd ude udi udk udl udr udt udu uec ued uee uei uel uer uet uic uid uie uii uil uir uit uiu ukc uke uki ukk ukl ukr uku ulc uld ule uli ulk ull ulr ult ulu ur- urc urd ure uri urk url urr urt uru utc utd ute uti utk utl utr utt utu uuc uue uur uut uuu