-al -ol a-a a-b aaa aab aal aan aao aau aav ab- aba abb abl abn abo abu abv al- ala alb all aln alo alu alv an- ana anb anl ann ano anu anv aoa aob aol aon aoo aou aov au- aua aub aul aun auo auv av- ava avb avl avn avo avu b-u baa bab bal ban bao bau bav bba bbb bbl bbn bbo bbu bla blb bll bln blo blu blv bna bnb bnl bnn bno bnu bnv boa bob bol bon boo bou bov bua bub bul bun buo buu bva bvb bvl bvn bvo bvu bvv la- laa lab lal lan lao lau lav lba lbb lbl lbo lbu lbv lla llb lll lln llo llu llv lna lnb lnl lnn lno lnu loa lob lol lon loo lou lov lua lub lul lun luo luu luv lva lvb lvl lvn lvv naa nab nal nan nao nau nav nba nbb nbl nbn nbo nbu nbv nla nlb nll nln nlo nlu nlv nna nnb nnl nnn nno nnu nnv no- noa nob nol non noo nou nov nua nub nul nun nuo nuu nuv nva nvb nvl nvn nvu nvv oaa oab oal oan oao oau oav ob- oba obb obl obn obo obu obv ola olb oll oln olo olu on- ona onb onl onn ono onu oo- ooa oob ool oon ooo oov ou- oua oul oun ouo ov- ova ovb ovl ovo ovv ua- uaa uab ual uan uao uau uav uba ubb ubl ubn ubo ubu ubv ula ulb ull uln ulo ulu ulv un- una unb unl unn uno unu unv uoa uob uol uon uoo uua uun uuu uva uvb uvl uvo uvu uvv v-a vaa vab val van vao vau vav vba vbl vbo vbv vl- vla vlb vll vlo vlv vn- vna vnl vno vnu vnv voa vob vol von voo vou vov vul vuv vva vvb vvo vvv