-er -ic c-- ccc cce cci cck ccr ccs cct ccu ce- cec cee cei cek ceq cer ces cet ceu ci- cic cie cii cik ciq cir cis cit ciu ckc cki cks ckt cqc cqi cqs cqt crc cre cri crk crq crr crs crt cru csc cse csi csk csq csr css cst csu ctc cte cti ctk ctq ctr cts ctt ctu cuc cue cui cuk cuq cur cus cut cuu ec- ecc ece eci eck ecq ecr ecs ect ecu eec eee eek eer ees eet eic eie eii eik eir eis eit eiu ekc eke eki ekr eks ekt eku eqe eqq eqs eqt equ erc ere eri erk erq err ers ert eru es- esc ese esi esk esq esr ess est esu etc ete eti etk etr ets ett etu eu- euc eue eui eur eus eut icc ice ici ick icq icr ics ict icu ie- iec iee iei iek ier ies iet iic iie iii iir iis iit iiu ikc ike iki ikk ikr iks ikt iku iqc iqe iqs iqt iqu ir- irc ire iri irk irq irr irs irt iru is- isc ise isi isk isq isr iss ist isu itc ite iti itk itq its itt itu iu- iuc iue iui iur ius iut k-t kcc kce kci kck kcr kcs kct kcu ke- kec kee kei kek ker kes ket kic kie kii kik kir kis kit kiu kkc kke kki kkk kkr kks kkt kku krc kri krk krr krs krt kru ksc kse ksi ksk ksr kss kst ksu ktc kte ktk ktr kts ktt ktu kuc kue kui kuk kur kus kut kuu qcc qci qcs qct qec qee qet qic qie qik qir qis qit qiu qki qqk qqq qqu qrc qre qri qrs qrt qru qsc qsi qsr qst qtc qti qtq qtr qts qu- que qui qur qus qut rcc rce rci rcr rcs rct rcu re- rec ree rei rek req rer res ret reu ric rie rii rik riq rir ris rit rkc rke rkk rks rkt rku rqc rqs rrc rri rrk rrq rrr rrs rrt rru rsc rse rsi rsk rsq rsr rss rst rsu rtc rte rti rtk rtq rtr rts rtt rtu ruc rue rui ruk rur rus rut ruu scc sce sci sck scr scs sct scu se- sec see sei sek seq ser ses set seu sic sie sii sik siq sir sis sit siu sk- skc ske ski skk skq skr sks skt sku sqi sqq sqr sqs sr- src sre sri srk srq srr srs srt ss- ssc sse ssi ssk ssq ssr sss sst ssu stc ste sti stk stq str sts stt stu suc sue sui suk suq sur sus sut suu tcc tce tci tck tcr tcs tct tcu te- tec tee tei tek teq ter tes tet teu tic tie tii tik tir tis tit tiu tkc tke tkk tkr tks tkt trc tre tri trk trq trr trs trt tru tsc tse tsi tsk tsq tsr tss tst tsu ttc tte tti ttk ttr tts ttt ttu tuc tue tui tuk tur tus tut tuu ucc uce uci uck ucr ucs uct ucu uec uee uei uer ues uet uic uie uii uiq uir uis uit uiu ukc uke uki ukk ukr uku ur- urc ure uri urk urr urs urt uru usc use usi usk usr uss ust usu utc ute uti utk utr uts utt utu uuc uue uur uus uut uuu