-er -ey -ic c-- ccc cce ccf cci ccr ccs cct ccu ce- cec cee cef cei cer ces cet ceu cey cfc cfe cff cfi cfr cfs cft cfu ci- cic cie cif cii cir cis cit ciu crc cre crf cri crr crs crt cru cry csc cse csf csi csr css cst csu csy ctc cte ctf cti ctr cts ctt ctu cty cuc cue cuf cui cur cus cut cuu cuy cyc cye cyf cyr cys cyt ec- ecc ece ecf eci ecr ecs ect ecu eec eee eef eer ees eet eey ef- efc efe eff efi efr efs eft eic eie eif eii eir eis eit eiu erc ere erf eri err ers ert eru ery es- esc ese esf esi esr ess est esu esy etc ete etf eti etr ets ett etu ety eu- euc eue euf eui eur eus eut eyc eye eyr eys eyt fcc fce fcf fci fcr fcs fct fcu fcy fec fee fef fei fer fes fet feu fey ffc ffe fff ffi ffr ffs fft ffu ffy fic fie fif fii fir fis fit fiu frc fre frf fri frr frs frt fru fry fsc fse fsf fsi fsr fss fst fsu ftc fte ftf fti ftr fts ftt ftu fty fue fuf fui fur fus fut fuu fy- fyc fye fyi i-f icc ice icf ici icr ics ict icu icy ie- iec iee ief iei ier ies iet iey ifc ife iff ifi ifr ifs ift ifu ify iic iie iif iii iir iis iit iiu ir- irc ire irf iri irr irs irt iru iry is- isc ise isf isi isr iss ist isu isy itc ite itf iti its itt itu ity iu- iuc iue iui iur ius iut iyc iye iyr iys iyt iyy rcc rce rcf rci rcr rcs rct rcu re- rec ree ref rei rer res ret reu rey rfc rfe rff rfi rfr rfs rft rfu ric rie rif rii rir ris rit riy rrc rrf rri rrr rrs rrt rru rsc rse rsf rsi rsr rss rst rsu rtc rte rtf rti rtr rts rtt rtu rty ruc rue ruf rui rur rus rut ruu ruy ry- ryc rye ryf ryr rys ryu ryy scc sce scf sci scr scs sct scu se- sec see sef sei ser ses set seu sey sfc sfe sff sfi sfr sfs sft sfu sic sie sif sii sir sis sit siu sr- src sre srf sri srr srs srt sry ss- ssc sse ssf ssi ssr sss sst ssu stc ste stf sti str sts stt stu sty suc sue suf sui sur sus sut suu suy sy- syc sye syi syr sys syt syu tcc tce tcf tci tcr tcs tct tcu te- tec tee tef tei ter tes tet teu tey tfc tfe tff tfi tfr tfs tft tfu tic tie tif tii tir tis tit tiu tiy trc tre trf tri trr trs trt tru try tsc tse tsf tsi tsr tss tst tsu tsy ttc tte ttf tti ttr tts ttt ttu tty tuc tue tuf tui tur tus tut tuu tuy tyc tye tyf tyr tys tyt ucc uce ucf uci ucr ucs uct ucu uec uee uef uei uer ues uet uey ufc ufe uff ufi ufr ufs uft ufu uic uie uif uii uir uis uit uiu ur- urc ure urf uri urr urs urt uru ury usc use usf usi usr uss ust usu utc ute utf uti utr uts utt utu uty uuc uue uur uus uut uuu uyc uyi uys uyu ycc yce ycf yci ycs ycu ycy yec yee yef yei yer yes yet yey yfc yfe yff yfr yfs yft yfu yie yif yii yir yis yit yrc yre yrf yrs yrt yru ysc yse ysi ysr yss yst ysu ysy ytc yte ytf ytr yts ytt ytu yue yui yur yus yut yuu yuy yyc yye yyf yys yyt yyu yyy