-er -ic c-- ccc cce cch cci cck ccl ccr ccu ce- cec cee ceh cei cek cel cer ceu ch- chc che chh chi chk chl chr chu ci- cic cie cih cii cik cil cir ciu ckc ckh cki cl- clc cle clh cli clk cll clr clu crc cre crh cri crk crl crr cru cuc cue cuh cui cuk cul cur cuu ec- ecc ece ech eci eck ecl ecr ecu eec eee eek eel eer ehc ehe ehh ehi ehl ehr ehu eic eie eii eik eil eir eiu ekc eke ekh eki ekl ekr eku elc ele elh eli elk ell elr elu erc ere erh eri erk erl err eru eu- euc eue eui eul eur h-i hcc hce hch hci hck hcl hcr he- hec hee heh hei hek hel her heu hhc hhe hhh hhi hhk hhl hhr hhu hic hie hih hii hik hil hir hiu hkh hki hkk hkl hkr hku hlc hle hlh hli hll hlr hlu hr- hrc hre hrh hri hrk hrl hrr hru huc hue huh hui huk hul hur huu icc ice ich ici ick icl icr icu ie- iec iee iei iek iel ier ihc ihe ihh ihi ihk ihl ihr ihu iic iie iih iii iil iir iiu ikc ike iki ikk ikl ikr iku il- ilc ile ilh ili ilk ill ilr ilu ir- irc ire iri irk irl irr iru iu- iuc iue iui iur kcc kce kch kci kck kcl kcr kcu ke- kec kee keh kei kek kel ker khe khh khi khk khr khu kic kie kih kii kik kil kir kiu kkc kke kkh kki kkk kkl kkr kku kl- klc klh kli klr klu krc kri krk krl krr kru kuc kue kuh kui kuk kul kur kuu lcc lce lch lci lck lcl lcr lcu lec lee leh lei lek lel ler leu lhc lhh lhi lhk lhr lhu lic lie lih lii lik lil lir liu lkh lkl lkr llc lle lli llk lll llr llu lrc lrh lri lrk lrr lru luc lue luh lui luk lul lur luu rcc rce rch rci rcl rcr rcu re- rec ree reh rei rek rel rer reu rh- rhc rhe rhh rhi rhl rhr rhu ric rie rih rii rik ril rir rkc rke rkk rku rlc rle rlh rli rll rlr rlu rrc rrh rri rrk rrl rrr rru ruc rue ruh rui ruk rur ruu ucc uce uch uci uck ucl ucr ucu uec uee ueh uei uel uer uhc uhe uhh uhi uhl uhr uhu uic uie uii uil uir uiu ukc uke uki ukk ukl ukr uku ulc ule uli ulk ull ulr ulu ur- urc ure uri urk url urr uru uuc uue uur uuu