-ic a-a a-b a-c a-i aaa aab aac aae aai aav ab- aba abb abc abe abi abv ac- aca acb acc ace aci acv aea aeb aec aee aei aev ai- aia aib aic aie aii aiv av- ava avb avc ave avi baa bab bac bae bai bav bba bbb bbc bbe bbi bca bcb bcc bce bci bcv be- bea beb bec bee bei bev bi- bia bib bic bie bii biv bva bvb bvc bve bvi bvv c-- caa cab cac cae cai cav cba cbb cbc cbe cbi cbv cca ccb ccc cce cci ccv ce- cea ceb cec cee cei cev ci- cia cib cic cie cii civ cva cvb cvc cve cvi cvv eaa eab eac eae eai eav eba ebb ebc ebe ebi ebv ec- eca ecb ecc ece eci ecv eea eeb eec eee eev eia eib eic eie eii eiv eva evb evc eve evi evv i-v ia- iaa iab iac iae iai iav iba ibb ibc ibe ibi ibv ica icb icc ice ici icv ie- iea iec iee iei iev iia iib iic iie iii iva ivb ivc ive ivi ivv v-a v-e vaa vab vac vae vai vav vba vbc vbi vbv vca vcc vce vci vea veb vec vee vei vi- via vib vic vie vii viv vva vvb vvc vvi vvv