a-a a-b a-i aaa aab aag aah aai aav ab- aba abb abg abh abi abv ag- aga agb agg agh agi agv aha ahb ahg ahh ahi ahv ai- aia aib aig aih aii aiv av- ava avb avg avh avi baa bab bag bah bai bav bba bbb bbg bbh bbi bga bgb bgg bgh bgi bgv bha bhb bhg bhh bhi bhv bi- bia bib big bih bii biv bva bvb bvg bvh bvi bvv gaa gab gag gah gai gav gba gbg gbh gbi gbv gga ggb ggg ggh ggi ggv gha ghb ghg ghh ghi gia gib gig gih gii giv gva gvb gvg gvh gvi h-i haa hab hag hah hai hav hba hbb hbg hbh hbi hbv hga hgb hgg hgh hgi hgv hha hhb hhg hhh hhi hhv hia hib hig hih hii hiv hv- hva hvb hvg hvv i-v ia- iaa iab iag iah iai iav iba ibb ibg ibh ibi ibv iga igb igg igh igi iha ihb ihg ihh ihi ihv iia iib iih iii iva ivb ivg ivi ivv v-a vaa vab vag vah vai vav vba vbg vbh vbi vbv vga vgg vgh vh- vha vhb vhi vi- via vib vig vii viv vva vvb vvg vvi vvv