-ic a-a a-b a-c a-i aaa aab aac aad aae aai aav ab- aba abb abc abd abe abi abv ac- aca acb acc acd ace aci acv ad- ada adb adc add ade adi adv aea aeb aec aed aee aei aev ai- aia aib aic aid aie aii aiv av- ava avb avc avd ave avi baa bab bac bad bae bai bav bba bbb bbc bbd bbe bbi bca bcb bcc bcd bce bci bcv bda bdb bdc bdd bde bdi bdv be- bea beb bec bed bee bei bev bi- bia bib bic bid bie bii biv bva bvb bvc bvd bve bvi bvv c-- caa cab cac cad cae cai cav cba cbb cbc cbd cbe cbi cbv cca ccb ccc ccd cce cci ccv cda cdb cdc cdd cde cdi cdv ce- cea ceb cec ced cee cei cev ci- cia cib cic cid cie cii civ cva cvb cvc cvd cve cvi cvv daa dab dac dad dae dai dav dba dbb dbc dbd dbe dbi dbv dca dcb dcc dcd dce dci dcv dda ddb ddc ddd dde ddi de- dea deb dec ded dee dei dev di- dia dib dic did die dii div dva dvb dvc dvd dve dvi eaa eab eac ead eae eai eav eba ebb ebc ebd ebe ebi ebv ec- eca ecb ecc ecd ece eci ecv ed- eda edb edc edd ede edi eea eeb eec eed eee eev eia eib eic eid eie eii eiv eva evb evc evd eve evi evv i-d i-v ia- iaa iab iac iad iae iai iav iba ibb ibc ibd ibe ibi ibv ica icb icc icd ice ici icv ida idb idc idd ide idi idv ie- iea iec ied iee iei iev iia iib iic iid iie iii iva ivb ivc ivd ive ivi ivv v-a v-e vaa vab vac vad vae vai vav vba vbc vbd vbi vbv vca vcc vcd vce vci vdb vdc vdd vde vdi vdv vea veb vec ved vee vei vi- via vib vic vid vie vii viv vva vvb vvc vvi vvv