-er -ic c-- ccc ccd cce cch cci cco ccp ccr ccv cdc cdd cde cdh cdi cdo cdp cdr cdv ce- cec ced cee ceh cei ceo cep cer cev ch- chc chd che chh chi cho chp chr chv ci- cic cid cie cih cii cio cip cir civ co- coc cod coe coh coi coo cop cor cov cpc cpd cpe cph cpi cpo cpp cpr cpv crc crd cre crh cri cro crp crr crv cvc cvd cve cvh cvi cvo cvp cvr cvv dcc dcd dce dci dco dcp dcr dcv ddc ddd dde ddh ddi ddo ddp ddr de- dec ded dee deh dei deo dep der dev dh- dhc dhd dhe dhh dhi dho dhp dhr di- dic did die dih dii dio dip dir div doc dod doe doh doi doo dop dor dov dpc dpd dpe dph dpi dpo dpp dpr dpv drc drd dre dri dro drp drr drv dvc dvd dve dvh dvi dvp dvr ec- ecc ecd ece ech eci eco ecr ecv ed- edc edd ede edh edi edo edp edr eec eed eee eeo eep eer eev ehc ehd ehe ehh ehi eho ehp ehr ehv eic eid eie eii eio eip eir eiv eo- eoc eod eoe eoh eoi eoo eop eor ep- epc epd epe eph epi epo epp epr erc erd ere erh eri ero erp err erv evc evd eve evh evi evo evp evr evv h-i hcc hcd hce hch hci hco hcp hcr hcv hdc hdd hde hdh hdi hdo hdp hdr hdv he- hec hed hee heh hei heo hep her hev hhc hhd hhe hhh hhi hho hhp hhr hhv hic hid hie hih hii hio hip hir hiv hoc hod hoe hoh hoi hoo hop hor hov hpc hpd hpe hph hpi hpo hpp hpr hpv hr- hrc hrd hre hrh hri hro hrp hrr hrv hv- hvc hvd hvo hvp hvr hvv i-d i-v icc icd ice ich ici ico icp icr icv idc idd ide idh idi ido idp idr idv ie- iec ied iee iei iep ier iev ihc ihd ihe ihh ihi iho ihp ihr ihv iic iid iie iih iii iio iip iir io- ioc iod ioe ioh ioi ioo iop ior iov ipc ipd ipe ipi ipo ipp ipr ipv ir- irc ird ire iri iro irp irr irv ivc ivd ive ivi ivo ivp ivr ivv o-i oc- occ ocd och oci oco ocp ocr ocv odc odd ode odh odi odo odp odr odv oec oed oee oeh oei oeo oep oer ohc ohd ohe ohh ohi oho ohp ohr oic oid oie oii oio oip oir oiv oo- ooc ood ooh ooi ooo oop oor oov op- opc opd ope oph opi opo opp opr opv or- orc ord ore orh ori oro orp orr orv ov- ovc ovd ove ovh ovi ovo ovp ovv p-p pcc pcd pce pch pci pco pcp pcr pcv pdc pdd pde pdh pdi pdo pdp pdr pdv pec ped pee peh pei peo pep per pev phc phd phe phi pho php phr phv pic pid pie pih pii pio pip pir piv poc pod poe poh poi poo pop por pov ppc ppd ppe pph ppi ppo ppp ppr ppv prc prd pre prh pri pro prp prr prv pvc pvd pve pvh pvi pvo pvp pvr pvv rcc rcd rce rch rci rco rcp rcr rcv rdc rdd rde rdh rdi rdo rdp rdr rdv re- rec red ree reh rei reo rep rer rev rh- rhc rhd rhe rhh rhi rho rhp rhr rhv ric rid rie rih rii rio rip rir riv roc rod roe roh roi roo rop ror rov rpc rpd rpe rph rpi rpo rpp rpr rpv rrc rrd rrh rri rrp rrr rvc rvd rve rvh rvi rvo rvp rvr rvv v-e vcc vcd vce vch vci vco vcp vcr vdc vdd vde vdh vdi vdo vdp vdr vdv vec ved vee veh vei veo vep ver vh- vhc vhd vhe vhi vho vhp vi- vic vid vie vii vio vip vir viv voc vod voe voh voi voo vop vor vov vpc vpd vpe vph vpi vpo vpp vpr vrc vrd vre vrh vri vrp vrr vvc vvi vvo vvr vvv