-er -ic c-- ccc cce ccf cch cci cck ccr ccs ccu ce- cec cee cef ceh cei cek cer ces ceu cfc cfe cff cfh cfi cfk cfr cfs cfu ch- chc che chf chh chi chk chr chs chu ci- cic cie cif cih cii cik cir cis ciu ckc ckh cki cks crc cre crf crh cri crk crr crs cru csc cse csf csh csi csk csr css csu cuc cue cuf cuh cui cuk cur cus cuu ec- ecc ece ecf ech eci eck ecr ecs ecu eec eee eef eek eer ees ef- efc efe eff efh efi efr efs ehc ehe ehf ehh ehi ehr ehs ehu eic eie eif eii eik eir eis eiu ekc eke ekf ekh eki ekr eks eku erc ere erf erh eri erk err ers eru es- esc ese esf esh esi esk esr ess esu eu- euc eue euf eui eur eus fcc fce fcf fci fck fcr fcs fcu fec fee fef feh fei fek fer fes feu ffc ffe fff ffh ffi ffk ffr ffs ffu fhc fhe fhf fhh fhi fhr fhs fic fie fif fih fii fik fir fis fiu fkc fkf fki fkk frc fre frf frh fri frk frr frs fru fsc fse fsf fsh fsi fsk fsr fss fsu fue fuf fui fuk fur fus fuu h-i hcc hce hcf hch hci hck hcr hcs he- hec hee hef heh hei hek her hes heu hfc hfe hff hfh hfi hfk hfr hfs hfu hhc hhe hhf hhh hhi hhk hhr hhs hhu hic hie hif hih hii hik hir his hiu hkf hkh hki hkk hkr hks hku hr- hrc hre hrf hrh hri hrk hrr hrs hru hsc hse hsf hsh hsi hsk hsr hss hsu huc hue huf huh hui huk hur hus huu i-f icc ice icf ich ici ick icr ics icu ie- iec iee ief iei iek ier ies ifc ife iff ifi ifr ifs ifu ihc ihe ihf ihh ihi ihk ihr ihs ihu iic iie iif iih iii iir iis iiu ikc ike ikf iki ikk ikr iks iku ir- irc ire irf iri irk irr irs iru is- isc ise isf ish isi isk isr iss isu iu- iuc iue iui iur ius kcc kce kch kci kck kcr kcs kcu ke- kec kee kef keh kei kek ker kes kfc kff kfh kfi kfs kfu khe khf khh khi khk khr khs khu kic kie kif kih kii kik kir kis kiu kkc kke kkh kki kkk kkr kks kku krc krf kri krk krr krs kru ksc kse ksf ksh ksi ksk ksr kss ksu kuc kue kuh kui kuk kur kus kuu rcc rce rcf rch rci rcr rcs rcu re- rec ree ref reh rei rek rer res reu rfc rfe rff rfh rfi rfk rfr rfs rfu rh- rhc rhe rhf rhh rhi rhr rhs rhu ric rie rif rih rii rik rir ris rkc rke rkf rkk rks rku rrc rrf rrh rri rrk rrr rrs rru rsc rse rsf rsh rsi rsk rsr rss rsu ruc rue ruf ruh rui ruk rur rus ruu scc sce scf sch sci sck scr scs scu se- sec see sef seh sei sek ser ses seu sfc sfe sff sfh sfi sfk sfr sfs sfu sh- shc she shf shh shi shk shr shs shu sic sie sif sih sii sik sir sis siu sk- skc ske skf skh ski skk skr sks sku sr- src sre srf srh sri srk srr srs ss- ssc sse ssf ssh ssi ssk ssr sss ssu suc sue suf suh sui suk sur sus suu ucc uce ucf uch uci uck ucr ucs ucu uec uee uef ueh uei uer ues ufc ufe uff ufh ufi ufr ufs ufu uhc uhe uhf uhh uhi uhr uhs uhu uic uie uif uii uir uis uiu ukc uke ukf uki ukk ukr uku ur- urc ure urf uri urk urr urs uru usc use usf ush usi usk usr uss usu uuc uue uur uus uuu