-er -ic c-- ccc cce cch cci cco ccr ccz ce- cec cee ceh cei ceo cer cez ch- chc che chh chi cho chr chz ci- cic cie cih cii cio cir co- coc coe coh coi coo cor coz crc cre crh cri cro crr crz cz- czc cze czo ec- ecc ece ech eci eco ecr eec eee eeo eer ehc ehe ehh ehi eho ehr eic eie eii eio eir eo- eoc eoe eoh eoi eoo eor erc ere erh eri ero err erz eze ezh ezo ezr ezz h-i hcc hce hch hci hco hcr he- hec hee heh hei heo her hez hhc hhe hhh hhi hho hhr hhz hic hie hih hii hio hir hoc hoe hoh hoi hoo hor hr- hrc hre hrh hri hro hrr hrz hze hzo icc ice ich ici ico icr icz ie- iec iee iei ier ihc ihe ihh ihi iho ihr iic iie iih iii iio iir io- ioc ioe ioh ioi ioo ior ir- irc ire iri iro irr ize izh izi izo izz o-i oc- occ och oci oco ocr ocz oec oee oeh oei oeo oer ohc ohe ohh ohi oho ohr oic oie oii oio oir oiz oo- ooc ooh ooi ooo oor or- orc ore orh ori oro orr orz oze ozo ozz rcc rce rch rci rco rcr re- rec ree reh rei reo rer rez rh- rhc rhe rhh rhi rho rhr ric rie rih rii rio rir riz roc roe roh roi roo ror roz rrc rrh rri rrr rze rzo zce zco zec zee zeh zeo zer zez zhc zhe zhi zho zhr zie zio zir ziz zo- zoc zoe zoi zoo zor zrh zro zzr zzz