-er -ic c-- ccc cce cch cci cco ccr ccv ce- cec cee ceh cei ceo cer cev ch- chc che chh chi cho chr chv ci- cic cie cih cii cio cir civ co- coc coe coh coi coo cor cov crc cre crh cri cro crr crv cvc cve cvh cvi cvo cvr cvv ec- ecc ece ech eci eco ecr ecv eec eee eeo eer eev ehc ehe ehh ehi eho ehr ehv eic eie eii eio eir eiv eo- eoc eoe eoh eoi eoo eor erc ere erh eri ero err erv evc eve evh evi evo evr evv h-i hcc hce hch hci hco hcr hcv he- hec hee heh hei heo her hev hhc hhe hhh hhi hho hhr hhv hic hie hih hii hio hir hiv hoc hoe hoh hoi hoo hor hov hr- hrc hre hrh hri hro hrr hrv hv- hvc hvo hvr hvv i-v icc ice ich ici ico icr icv ie- iec iee iei ier iev ihc ihe ihh ihi iho ihr ihv iic iie iih iii iio iir io- ioc ioe ioh ioi ioo ior iov ir- irc ire iri iro irr irv ivc ive ivi ivo ivr ivv o-i oc- occ och oci oco ocr ocv oec oee oeh oei oeo oer ohc ohe ohh ohi oho ohr oic oie oii oio oir oiv oo- ooc ooh ooi ooo oor oov or- orc ore orh ori oro orr orv ov- ovc ove ovh ovi ovo ovv rcc rce rch rci rco rcr rcv re- rec ree reh rei reo rer rev rh- rhc rhe rhh rhi rho rhr rhv ric rie rih rii rio rir riv roc roe roh roi roo ror rov rrc rrh rri rrr rvc rve rvh rvi rvo rvr rvv v-e vcc vce vch vci vco vcr vec vee veh vei veo ver vh- vhc vhe vhi vho vi- vic vie vii vio vir viv voc voe voh voi voo vor vov vrc vre vrh vri vrr vvc vvi vvo vvr vvv