-al -ol a-a a-b a-i aaa aab aae aaf aai aal aam aan aao ab- aba abb abe abf abi abl abm abn abo aea aeb aee aef aei ael aem aen aeo af- afa afb afe aff afi afl afm afn afo ai- aia aib aie aif aii ail aim ain aio al- ala alb ale alf ali all alm aln alo ama amb ame amf ami aml amm amn amo an- ana anb ane anf ani anl anm ann ano aoa aob aoe aof aoi aol aom aon aoo baa bab bae baf bai bal bam ban bao bba bbb bbe bbf bbi bbl bbm bbn bbo be- bea beb bee bef bei bel bem ben beo bfa bfb bfe bff bfi bfl bfm bfn bfo bi- bia bib bie bif bii bil bim bin bio bla blb ble blf bli bll blm bln blo bma bmb bme bmf bmi bml bmm bmn bmo bna bnb bne bnf bni bnl bnn bno boa bob boe bof boi bol bom bon boo eaa eab eae eaf eai eal eam ean eao eba ebb ebe ebf ebi ebl ebm ebn ebo eea eeb eee eef eel eem een eeo ef- efa efb efe eff efi efl efm efo eia eib eie eif eii eil eim ein eio ela elb ele elf eli ell elm eln elo em- ema emb eme emf emi eml emm emn emo en- ena enb ene enf eni enl enm enn eno eo- eoa eob eoe eof eoi eol eom eon eoo faa fab fae faf fai fal fam fan fao fba fbb fbe fbf fbi fbl fbm fbn fbo fea feb fee fef fei fel fem fen feo ffa ffe fff ffi ffl ffm ffn ffo fia fib fie fif fii fil fim fin fla flb fle flf fli fll flm fln flo fma fmb fme fmf fmi fml fmm fmn fmo fna fnb fne fnf fni fnl fnm fnn foa fob foe fof foi fol fom fon foo i-f ia- iaa iab iae iaf iai ial iam ian iao iba ibb ibe ibf ibi ibl ibm ibn ibo ie- iea iee ief iei iel iem ien ifa ifb ife iff ifi ifl ifm ifn ifo iia iib iie iif iii iil iim iin iio il- ila ilb ile ilf ili ill ilm iln ilo im- ima imb ime imf imi iml imm imn imo in- ina inb ine inf ini inl inm inn ino io- ioa iob ioe iof ioi iol iom ion ioo la- laa lab lae laf lai lal lam lan lao lba lbb lbe lbf lbi lbl lbm lbo lea leb lee lef lei lel lem len leo lfa lfb lfe lff lfi lfl lfm lfn lfo lia lib lie lif lii lil lim lin lio lla llb lle llf lli lll llm lln llo lma lmb lme lmf lmi lml lmm lmn lmo lna lnb lne lni lnl lnm lnn lno loa lob loe lof loi lol lom lon loo m-f m-o maa mab mae maf mai mal mam man mao mba mbb mbe mbf mbi mbl mbm mbo mea meb mee mef mei mel mem men meo mfa mfb mfe mff mfi mfl mfm mfn mfo mi- mia mib mie mif mii mil mim min mio mla mlb mle mlf mli mll mlm mln mlo mma mmb mme mmf mmi mml mmm mmn mmo mna mnb mne mnf mni mnl mnm mnn mno moa mob moe mof moi mol mom mon moo n-i naa nab nae naf nai nal nam nan nao nba nbb nbe nbf nbi nbl nbm nbn nbo ne- nea neb nee nef nei nel nem nen neo nfa nfb nfe nff nfi nfl nfn nfo nia nib nie nif nii nil nim nin nio nla nlb nle nlf nli nll nlm nln nlo nma nmb nme nmi nml nmm nmn nmo nna nnb nne nnf nni nnl nnm nnn nno no- noa nob noe nof noi nol nom non noo o-i oaa oab oae oaf oai oal oam oan oao ob- oba obb obe obf obi obl obm obn obo oea oeb oee oef oei oel oem oen oeo of- ofa ofb ofe off ofi ofl ofm ofn ofo oia oib oie oif oii oil oim oin oio ola olb ole olf oli oll olm oln olo om- oma omb ome omf omi oml omm omn omo on- ona onb one onf oni onl onn ono oo- ooa oob oof ooi ool oom oon ooo