-al -ol a-a a-b a-i aaa aab aag aai aal aan aao aar ab- aba abb abg abi abl abn abo abr ag- aga agb agg agi agl agn ago agr ai- aia aib aig aii ail ain aio air al- ala alb alg ali all aln alo alr an- ana anb ang ani anl ann ano anr aoa aob aog aoi aol aon aoo aor ar- ara arb arg ari arl arn aro arr baa bab bag bai bal ban bao bar bba bbb bbg bbi bbl bbn bbo bbr bga bgb bgg bgi bgl bgn bgo bgr bi- bia bib big bii bil bin bio bir bla blb blg bli bll bln blo blr bna bnb bng bni bnl bnn bno bnr boa bob bog boi bol bon boo bor bra brb brg bri brl brn bro brr gaa gab gag gai gal gan gao gar gba gbg gbi gbl gbn gbo gbr gga ggb ggg ggi ggn ggo ggr gia gib gig gii gil gin gio gir gla glb glg gli gll gln glo glr gna gnb gni gnl gnn gno gnr goa gob gog goi gol gon goo gor gra grb grg gri grl grn gro grr ia- iaa iab iag iai ial ian iao iar iba ibb ibg ibi ibl ibn ibo ibr iga igb igg igi igl ign igo igr iia iib iii iil iin iio iir il- ila ilb ilg ili ill iln ilo ilr in- ina inb ing ini inl inn ino inr io- ioa iob iog ioi iol ion ioo ior ir- ira irb irg iri irl irn iro irr la- laa lab lag lai lal lan lao lar lba lbb lbg lbi lbl lbo lbr lga lgb lgg lgi lgl lgn lgo lgr lia lib lig lii lil lin lio lir lla llb llg lli lll lln llo llr lna lnb lng lni lnl lnn lno lnr loa lob log loi lol lon loo lor lra lrb lrg lri lrn lro lrr n-i naa nab nag nai nal nan nao nar nba nbb nbg nbi nbl nbn nbo nbr nga ngb ngg ngi ngl ngn ngo nia nib nig nii nil nin nio nir nla nlb nlg nli nll nln nlo nlr nna nnb nng nni nnl nnn nno no- noa nob nog noi nol non noo nor nra nrb nrg nri nrl nrn nro nrr o-i oaa oab oag oai oal oan oao oar ob- oba obb obg obi obl obn obo obr oga ogg ogi ogl ogn ogo oia oib oii oil oin oio oir ola olb olg oli oll oln olo on- ona onb ong oni onl onn ono onr oo- ooa oob oog ooi ool oon ooo oor or- ora orb org ori orl orn oro orr ra- raa rab rag rai ral ran rao rar rba rbb rbg rbi rbl rbn rbo rbr rga rgb rgg rgi rgn rgo rgr ria rib rig rii ril rin rio rir rla rlg rli rll rln rlo rlr rna rnb rng rni rnn rno rnr roa rob rog roi rol ron roo ror rra rrb rrg rri rrl rrn rrr