-er -ic c-- ccc ccd cce cci cck cco ccr ccs cct ccu cdc cdd cde cdi cdk cdo cdq cdr cds cdt cdu ce- cec ced cee cei cek ceo ceq cer ces cet ceu ci- cic cid cie cii cik cio ciq cir cis cit ciu ckc ckd cki cko cks ckt co- coc cod coe coi cok coo coq cor cos cot cou cqc cqd cqi cqo cqs cqt crc crd cre cri crk cro crq crr crs crt cru csc csd cse csi csk cso csq csr css cst csu ctc ctd cte cti ctk cto ctq ctr cts ctt ctu cuc cud cue cui cuk cuo cuq cur cus cut cuu dcc dcd dce dci dck dco dcr dcs dct dcu ddc ddd dde ddi ddk ddo ddq ddr dds ddt ddu de- dec ded dee dei dek deo deq der des det deu di- dic did die dii dik dio diq dir dis dit diu dkc dke dki dkk dko dkr dks dkt dku doc dod doe doi dok doo doq dor dos dot dou dqe dqs drc drd dre dri drk dro drq drr drs drt dru dsc dsd dse dsi dsk dso dsq dsr dss dst dsu dtc dtd dte dti dtk dto dtr dts dtt dtu duc dud due dui duk duo dur dus dut ec- ecc ecd ece eci eck eco ecq ecr ecs ect ecu ed- edc edd ede edi edk edo edr eds edt edu eec eed eee eek eeo eer ees eet eic eid eie eii eik eio eir eis eit eiu ekc ekd eke eki eko ekr eks ekt eku eo- eoc eod eoe eoi eok eoo eoq eor eos eot eou eqe eqq eqs eqt equ erc erd ere eri erk ero erq err ers ert eru es- esc esd ese esi esk eso esq esr ess est esu etc etd ete eti etk eto etr ets ett etu eu- euc eud eue eui eur eus eut i-d icc icd ice ici ick ico icq icr ics ict icu idc idd ide idi idk ido idq idr ids idt idu ie- iec ied iee iei iek ier ies iet iic iid iie iii iio iir iis iit iiu ikc ike iki ikk iko ikr iks ikt iku io- ioc iod ioe ioi ioo ior ios iot iou iqc iqd iqe iqs iqt iqu ir- irc ird ire iri irk iro irq irr irs irt iru is- isc isd ise isi isk iso isq isr iss ist isu itc itd ite iti itk ito itq its itt itu iu- iuc iud iue iui iur ius iut k-t kcc kcd kce kci kck kcr kcs kct kcu kdc kde kdk kdo kdr kds kdt kdu ke- kec ked kee kei kek keo ker kes ket kic kid kie kii kik kio kir kis kit kiu kkc kke kki kkk kkr kks kkt kku koc kod koe koi kok koo kor kos kot kou krc krd kri krk kro krr krs krt kru ksc ksd kse ksi ksk kso ksr kss kst ksu ktc kte ktk kto ktr kts ktt ktu kuc kud kue kui kuk kur kus kut kuu o-i oc- occ ocd oci ock oco ocr ocs oct ocu odc odd ode odi odo odr ods odt odu oec oed oee oei oeo oer oes oet oic oid oie oii oik oio oir ois oit oiu okc okd oke oki okk oko okr oks oku oo- ooc ood ooi ook ooo oor oos oot oqo or- orc ord ore ori ork oro orr ors ort oru os- osc osd ose osi osk oso osq osr oss ost osu ot- otc otd ote oti otk oto otr ots ott otu ou- ouc oud oue oui ouk ouo our ous out qcc qcd qci qco qcs qct qdr qds qdt qec qed qee qeo qet qic qid qie qik qio qir qis qit qiu qki qoi qoo qor qos qqk qqq qqu qrc qre qri qrs qrt qru qsc qsd qsi qso qsr qst qtc qtd qti qto qtq qtr qts qu- qud que qui quo qur qus qut rcc rcd rce rci rco rcr rcs rct rcu rdc rdd rde rdi rdo rdr rds rdt rdu re- rec red ree rei rek reo req rer res ret reu ric rid rie rii rik rio riq rir ris rit rkc rke rkk rko rks rkt rku roc rod roe roi rok roo ror ros rot rou rqc rqs rrc rrd rri rrk rrq rrr rrs rrt rru rsc rsd rse rsi rsk rso rsq rsr rss rst rsu rtc rtd rte rti rtk rto rtq rtr rts rtt rtu ruc rud rue rui ruk ruo rur rus rut ruu scc scd sce sci sck sco scr scs sct scu sdc sdd sde sdi sdk sdo sdq sdr sds sdt sdu se- sec sed see sei sek seo seq ser ses set seu sic sid sie sii sik sio siq sir sis sit siu sk- skc skd ske ski skk sko skq skr sks skt sku soc sod soe soi sok soo soq sor sos sot sou sqd sqi sqq sqr sqs sr- src srd sre sri srk sro srq srr srs srt ss- ssc ssd sse ssi ssk sso ssq ssr sss sst ssu stc std ste sti stk sto stq str sts stt stu suc sud sue sui suk suo suq sur sus sut suu tcc tcd tce tci tck tco tcr tcs tct tcu tdc tdd tde tdi tdk tdo tdr tds tdt tdu te- tec ted tee tei tek teo teq ter tes tet teu tic tid tie tii tik tio tir tis tit tiu tkc tke tkk tko tkr tks tkt to- toc tod toe toi tok too toq tor tos tot tou tqo trc trd tre tri trk tro trq trr trs trt tru tsc tsd tse tsi tsk tso tsq tsr tss tst tsu ttc ttd tte tti ttk tto ttr tts