-al -ol a-a a-b aaa aab aaf aaj aal aan aao aau ab- aba abb abf abj abl abn abo abu af- afa afb aff afj afl afn afo afu aja ajb ajf ajj ajl ajn ajo aju al- ala alb alf alj all aln alo alu an- ana anb anf anj anl ann ano anu aoa aob aof aoj aol aon aoo aou au- aua aub auf auj aul aun auo b-u baa bab baf baj bal ban bao bau bba bbb bbf bbl bbn bbo bbu bfa bfb bff bfj bfl bfn bfo bfu bja bjf bjj bjn bju bla blb blf blj bll bln blo blu bna bnb bnf bnj bnl bnn bno bnu boa bob bof boj bol bon boo bou bua bub buf buj bul bun buo buu faa fab faf faj fal fan fao fau fba fbb fbf fbl fbn fbo fbu ffa fff ffl ffn ffo ffu fja fjb fla flb flf fll fln flo flu fna fnb fnf fnj fnl fnn fnu foa fob fof fol fon foo fou fua fub fuf ful fun fuo fuu jaa jab jaf jaj jal jan jao jau jba jbf jbj jbl jbo jbu jfa jfb jff jfj jfl jfo jja jjb jjf jjj jjl jju jla jlb jlf jll jln jlo jlu jna jnf jnj jnl jnn jno jnu joa job jof joj jol jon joo jou jub juf jul jun juo la- laa lab laf laj lal lan lao lau lba lbb lbf lbj lbl lbo lbu lfa lfb lff lfl lfn lfo lfu ljf ljj ljn lju lla llb llf llj lll lln llo llu lna lnb lnl lnn lno lnu loa lob lof loj lol lon loo lou lua lub luf lul lun luo luu naa nab naf naj nal nan nao nau nba nbb nbf nbl nbn nbo nbu nfa nfb nff nfl nfn nfo nfu nja njf njl njn nju nla nlb nlf nlj nll nln nlo nlu nna nnb nnf nnl nnn nno nnu no- noa nob nof noj nol non noo nou nua nub nuj nul nun nuo nuu oaa oab oaf oaj oal oan oao oau ob- oba obb obf obj obl obn obo obu of- ofa ofb off ofl ofn ofo ofu oja ojb ojo oju ola olb olf oll oln olo olu on- ona onb onf onj onl onn ono onu oo- ooa oob oof ool oon ooo ou- oua ouf oul oun ouo ua- uaa uab uaf uaj ual uan uao uau uba ubb ubf ubl ubn ubo ubu ufa uff ufj ufl ufn ufo ufu ujo ula ulb ulf ull uln ulo ulu un- una unb unf unl unn uno unu uoa uob uoj uol uon uoo uua uun uuu