-ic a-a a-b a-c a-i aaa aab aac aai aan aav ab- aba abb abc abi abn abv ac- aca acb acc aci acn acv ai- aia aib aic aii ain aiv an- ana anb anc ani ann anv av- ava avb avc avi avn baa bab bac bai ban bav bba bbb bbc bbi bbn bca bcb bcc bci bcn bcv bi- bia bib bic bii bin biv bna bnb bnc bni bnn bnv bva bvb bvc bvi bvn bvv c-- caa cab cac cai can cav cba cbb cbc cbi cbn cbv cca ccb ccc cci ccn ccv ci- cia cib cic cii cin civ cn- cna cnb cnc cni cnn cnv cva cvb cvc cvi cvn cvv i-v ia- iaa iab iac iai ian iav iba ibb ibc ibi ibn ibv ica icb icc ici icn icv iia iib iic iii iin in- ina inb inc ini inn inv iva ivb ivc ivi ivv n-i naa nab nac nai nan nav nba nbb nbc nbi nbn nbv nca ncb ncc nci ncn ncv nia nib nic nii nin niv nna nnb nnc nni nnn nnv nva nvb nvc nvi nvn nvv v-a vaa vab vac vai van vav vba vbc vbi vbv vca vcc vci vcn vi- via vib vic vii vin viv vn- vna vni vnv vva vvb vvc vvi vvv