-al -ol a-a a-b a-i aaa aab aag aai aal aao aav ab- aba abb abg abi abl abo abv ag- aga agb agg agi agl ago agv ai- aia aib aig aii ail aio aiv al- ala alb alg ali all alo alv aoa aob aog aoi aol aoo aov av- ava avb avg avi avl avo baa bab bag bai bal bao bav bba bbb bbg bbi bbl bbo bga bgb bgg bgi bgl bgo bgv bi- bia bib big bii bil bio biv bla blb blg bli bll blo blv boa bob bog boi bol boo bov bva bvb bvg bvi bvl bvo bvv gaa gab gag gai gal gao gav gba gbg gbi gbl gbo gbv gga ggb ggg ggi ggo ggv gia gib gig gii gil gio giv gla glb glg gli gll glo glv goa gob gog goi gol goo gov gva gvb gvg gvi gvl gvo i-v ia- iaa iab iag iai ial iao iav iba ibb ibg ibi ibl ibo ibv iga igb igg igi igl igo iia iib iii iil iio il- ila ilb ilg ili ill ilo ilv io- ioa iob iog ioi iol ioo iov iva ivb ivg ivi ivl ivo ivv la- laa lab lag lai lal lao lav lba lbb lbg lbi lbl lbo lbv lga lgb lgg lgi lgl lgo lgv lia lib lig lii lil lio liv lla llb llg lli lll llo llv loa lob log loi lol loo lov lva lvb lvg lvi lvl lvv o-i oaa oab oag oai oal oao oav ob- oba obb obg obi obl obo obv oga ogg ogi ogl ogo oia oib oii oil oio oiv ola olb olg oli oll olo oo- ooa oob oog ooi ool ooo oov ov- ova ovb ovi ovl ovo ovv v-a vaa vab vag vai val vao vav vba vbg vbi vbl vbo vbv vga vgg vgl vgo vi- via vib vig vii vil vio viv vl- vla vlb vll vlo vlv voa vob vog voi vol voo vov vva vvb vvg vvi vvo vvv