-ic a-a a-b a-c a-i aaa aab aac aad aae aah aai aav ab- aba abb abc abd abe abh abi abv ac- aca acb acc acd ace ach aci acv ad- ada adb adc add ade adh adi adv aea aeb aec aed aee aeh aei aev aha ahb ahc ahd ahe ahh ahi ahv ai- aia aib aic aid aie aih aii aiv av- ava avb avc avd ave avh avi baa bab bac bad bae bah bai bav bba bbb bbc bbd bbe bbh bbi bca bcb bcc bcd bce bch bci bcv bda bdb bdc bdd bde bdh bdi bdv be- bea beb bec bed bee beh bei bev bha bhb bhc bhd bhe bhh bhi bhv bi- bia bib bic bid bie bih bii biv bva bvb bvc bvd bve bvh bvi bvv c-- caa cab cac cad cae cah cai cav cba cbb cbc cbd cbe cbh cbi cbv cca ccb ccc ccd cce cch cci ccv cda cdb cdc cdd cde cdh cdi cdv ce- cea ceb cec ced cee ceh cei cev ch- cha chb chc chd che chh chi chv ci- cia cib cic cid cie cih cii civ cva cvb cvc cvd cve cvh cvi cvv daa dab dac dad dae dah dai dav dba dbb dbc dbd dbe dbh dbi dbv dca dcb dcc dcd dce dci dcv dda ddb ddc ddd dde ddh ddi de- dea deb dec ded dee deh dei dev dh- dha dhb dhc dhd dhe dhh dhi di- dia dib dic did die dih dii div dva dvb dvc dvd dve dvh dvi eaa eab eac ead eae eah eai eav eba ebb ebc ebd ebe ebh ebi ebv ec- eca ecb ecc ecd ece ech eci ecv ed- eda edb edc edd ede edh edi eea eeb eec eed eee eev eha ehb ehc ehd ehe ehh ehi ehv eia eib eic eid eie eii eiv eva evb evc evd eve evh evi evv h-i haa hab hac had hae hah hai hav hba hbb hbc hbd hbe hbh hbi hbv hca hcb hcc hcd hce hch hci hcv hda hdb hdc hdd hde hdh hdi hdv he- hea heb hec hed hee heh hei hev hha hhb hhc hhd hhe hhh hhi hhv hia hib hic hid hie hih hii hiv hv- hva hvb hvc hvd hvv i-d i-v ia- iaa iab iac iad iae iah iai iav iba ibb ibc ibd ibe ibh ibi ibv ica icb icc icd ice ich ici icv ida idb idc idd ide idh idi idv ie- iea iec ied iee iei iev iha ihb ihc ihd ihe ihh ihi ihv iia iib iic iid iie iih iii iva ivb ivc ivd ive ivi ivv v-a v-e vaa vab vac vad vae vah vai vav vba vbc vbd vbh vbi vbv vca vcc vcd vce vch vci vdb vdc vdd vde vdh vdi vdv vea veb vec ved vee veh vei vh- vha vhb vhc vhd vhe vhi vi- via vib vic vid vie vii viv vva vvb vvc vvi vvv