-er -ic c-- ccc cce cch cci cck ccr ccu ccz ce- cec cee ceh cei cek cer ceu cez ch- chc che chh chi chk chr chu chz ci- cic cie cih cii cik cir ciu ckc ckh cki crc cre crh cri crk crr cru crz cuc cue cuh cui cuk cur cuu cuz cz- czc cze czk ec- ecc ece ech eci eck ecr ecu eec eee eek eer ehc ehe ehh ehi ehr ehu eic eie eii eik eir eiu ekc eke ekh eki ekr eku erc ere erh eri erk err eru erz eu- euc eue eui eur eze ezh ezr ezz h-i hcc hce hch hci hck hcr he- hec hee heh hei hek her heu hez hhc hhe hhh hhi hhk hhr hhu hhz hic hie hih hii hik hir hiu hkh hki hkk hkr hku hr- hrc hre hrh hri hrk hrr hru hrz huc hue huh hui huk hur huu huz hze icc ice ich ici ick icr icu icz ie- iec iee iei iek ier ihc ihe ihh ihi ihk ihr ihu iic iie iih iii iir iiu ikc ike iki ikk ikr iku ir- irc ire iri irk irr iru iu- iuc iue iui iur iuz ize izh izi izu izz k-z kcc kce kch kci kck kcr kcu ke- kec kee keh kei kek ker kez khe khh khi khk khr khu khz kic kie kih kii kik kir kiu kiz kkc kke kkh kki kkk kkr kku krc kri krk krr kru kuc kue kuh kui kuk kur kuu rcc rce rch rci rcr rcu re- rec ree reh rei rek rer reu rez rh- rhc rhe rhh rhi rhr rhu ric rie rih rii rik rir riz rkc rke rkk rku rkz rrc rrh rri rrk rrr rru ruc rue ruh rui ruk rur ruu ruz rze ucc uce uch uci uck ucr ucu uec uee ueh uei uer uhc uhe uhh uhi uhr uhu uic uie uii uir uiu ukc uke uki ukk ukr uku ukz ur- urc ure uri urk urr uru urz uuc uue uur uuu uzh uzi uzu zce zec zee zeh zek zer zez zhc zhe zhi zhr zhu zie zik zir ziz zrh zuc zui zuk zur zuz zzr zzz