-al -ol a-a a-b a-i aaa aab aaf aai aal aam aan aao aar ab- aba abb abf abi abl abm abn abo abr af- afa afb aff afi afl afm afn afo afr ai- aia aib aif aii ail aim ain aio air al- ala alb alf ali all alm aln alo alr ama amb amf ami aml amm amn amo amr an- ana anb anf ani anl anm ann ano anr aoa aob aof aoi aol aom aon aoo aor ar- ara arb arf ari arl arm arn aro arr baa bab baf bai bal bam ban bao bar bba bbb bbf bbi bbl bbm bbn bbo bbr bfa bfb bff bfi bfl bfm bfn bfo bfr bi- bia bib bif bii bil bim bin bio bir bla blb blf bli bll blm bln blo blr bma bmb bmf bmi bml bmm bmn bmo bmr bna bnb bnf bni bnl bnn bno bnr boa bob bof boi bol bom bon boo bor bra brb brf bri brl brm brn bro brr faa fab faf fai fal fam fan fao far fba fbb fbf fbi fbl fbm fbn fbo fbr ffa fff ffi ffl ffm ffn ffo ffr fia fib fif fii fil fim fin fir fla flb flf fli fll flm fln flo flr fma fmb fmf fmi fml fmm fmn fmo fmr fna fnb fnf fni fnl fnm fnn fnr foa fob fof foi fol fom fon foo for fra frb frf fri frl frm frn fro frr i-f ia- iaa iab iaf iai ial iam ian iao iar iba ibb ibf ibi ibl ibm ibn ibo ibr ifa ifb iff ifi ifl ifm ifn ifo ifr iia iib iif iii iil iim iin iio iir il- ila ilb ilf ili ill ilm iln ilo ilr im- ima imb imf imi iml imm imn imo in- ina inb inf ini inl inm inn ino inr io- ioa iob iof ioi iol iom ion ioo ior ir- ira irb irf iri irl irm irn iro irr la- laa lab laf lai lal lam lan lao lar lba lbb lbf lbi lbl lbm lbo lbr lfa lfb lff lfi lfl lfm lfn lfo lfr lia lib lif lii lil lim lin lio lir lla llb llf lli lll llm lln llo llr lma lmb lmf lmi lml lmm lmn lmo lmr lna lnb lni lnl lnm lnn lno lnr loa lob lof loi lol lom lon loo lor lra lrb lrf lri lrm lrn lro lrr m-f m-o m-r maa mab maf mai mal mam man mao mar mba mbb mbf mbi mbl mbm mbo mbr mfa mfb mff mfi mfl mfm mfn mfo mfr mi- mia mib mif mii mil mim min mio mir mla mlb mlf mli mll mlm mln mlo mlr mma mmb mmf mmi mml mmm mmn mmo mmr mna mnb mnf mni mnl mnm mnn mno mnr moa mob mof moi mol mom mon moo mor mra mrb mrf mri mrl mrm mrn mro mrr n-i naa nab naf nai nal nam nan nao nar nba nbb nbf nbi nbl nbm nbn nbo nbr nfa nfb nff nfi nfl nfn nfo nfr nia nib nif nii nil nim nin nio nir nla nlb nlf nli nll nlm nln nlo nlr nma nmb nmi nml nmm nmn nmo nmr nna nnb nnf nni nnl nnm nnn nno no- noa nob nof noi nol nom non noo nor nra nrb nrf nri nrl nrm nrn nro nrr o-i oaa oab oaf oai oal oam oan oao oar ob- oba obb obf obi obl obm obn obo obr of- ofa ofb off ofi ofl ofm ofn ofo ofr oia oib oif oii oil oim oin oio oir ola olb olf oli oll olm oln olo om- oma omb omf omi oml omm omn omo omr on- ona onb onf oni onl onn ono onr oo- ooa oob oof ooi ool oom oon ooo oor or- ora orb orf ori orl orm orn oro orr ra- raa rab raf rai ral ram ran rao rar rba rbb rbf rbi rbl rbm rbn rbo rbr rfa rfb rff rfi rfl rfm rfn rfo rfr ria rib rif rii ril rim rin rio rir rla rlf rli rll rlm rln rlo rlr rma rmb rmf rmi rml rmm rmn rmo rmr rna rnb rni rnm rnn rno rnr roa rob rof roi rol rom ron roo ror rra rrb rrf rri rrl rrm rrn rrr