-er -ic a-a a-c a-i aaa aac aad aae aai aao aar aav ac- aca acc acd ace aci aco acr acv ad- ada adc add ade adi ado adr adv aea aec aed aee aei aeo aer aev ai- aia aic aid aie aii aio air aiv aoa aoc aod aoe aoi aoo aor aov ar- ara arc ard are ari aro arr arv av- ava avc avd ave avi avo avr c-- caa cac cad cae cai cao car cav cca ccc ccd cce cci cco ccr ccv cda cdc cdd cde cdi cdo cdr cdv ce- cea cec ced cee cei ceo cer cev ci- cia cic cid cie cii cio cir civ co- coa coc cod coe coi coo cor cov cra crc crd cre cri cro crr crv cva cvc cvd cve cvi cvo cvr cvv daa dac dad dae dai dao dar dav dca dcc dcd dce dci dco dcr dcv dda ddc ddd dde ddi ddo ddr de- dea dec ded dee dei deo der dev di- dia dic did die dii dio dir div doa doc dod doe doi doo dor dov dra drc drd dre dri dro drr drv dva dvc dvd dve dvi dvr eaa eac ead eae eai eao ear eav ec- eca ecc ecd ece eci eco ecr ecv ed- eda edc edd ede edi edo edr eea eec eed eee eeo eer eev eia eic eid eie eii eio eir eiv eo- eoa eoc eod eoe eoi eoo eor era erc erd ere eri ero err erv eva evc evd eve evi evo evr evv i-d i-v ia- iaa iac iad iae iai iao iar iav ica icc icd ice ici ico icr icv ida idc idd ide idi ido idr idv ie- iea iec ied iee iei ier iev iia iic iid iie iii iio iir io- ioa ioc iod ioe ioi ioo ior iov ir- ira irc ird ire iri iro irr irv iva ivc ivd ive ivi ivo ivr ivv o-i oaa oac oad oae oai oao oar oav oc- oca occ ocd oci oco ocr ocv oda odc odd ode odi odo odr odv oea oec oed oee oei oeo oer oia oic oid oie oii oio oir oiv oo- ooa ooc ood ooi ooo oor oov or- ora orc ord ore ori oro orr orv ov- ova ovc ovd ove ovi ovo ovv ra- raa rac rad rae rai rao rar rav rca rcc rcd rce rci rco rcr rcv rda rdc rdd rde rdi rdo rdr rdv re- rea rec red ree rei reo rer rev ria ric rid rie rii rio rir riv roa roc rod roe roi roo ror rov rra rrc rrd rri rrr rva rvc rvd rve rvi rvo rvr rvv v-a v-e vaa vac vad vae vai vao var vav vca vcc vcd vce vci vco vcr vdc vdd vde vdi vdo vdr vdv vea vec ved vee vei veo ver vi- via vic vid vie vii vio vir viv voa voc vod voe voi voo vor vov vra vrc vrd vre vri vrr vva vvc vvi vvo vvr vvv