-al -ol a-a a-b a-i aaa aab aae aaf aai aal aam aao ab- aba abb abe abf abi abl abm abo aea aeb aee aef aei ael aem aeo af- afa afb afe aff afi afl afm afo ai- aia aib aie aif aii ail aim aio al- ala alb ale alf ali all alm alo ama amb ame amf ami aml amm amo aoa aob aoe aof aoi aol aom aoo baa bab bae baf bai bal bam bao bba bbb bbe bbf bbi bbl bbm bbo be- bea beb bee bef bei bel bem beo bfa bfb bfe bff bfi bfl bfm bfo bi- bia bib bie bif bii bil bim bio bla blb ble blf bli bll blm blo bma bmb bme bmf bmi bml bmm bmo boa bob boe bof boi bol bom boo eaa eab eae eaf eai eal eam eao eba ebb ebe ebf ebi ebl ebm ebo eea eeb eee eef eel eem eeo ef- efa efb efe eff efi efl efm efo eia eib eie eif eii eil eim eio ela elb ele elf eli ell elm elo em- ema emb eme emf emi eml emm emo eo- eoa eob eoe eof eoi eol eom eoo faa fab fae faf fai fal fam fao fba fbb fbe fbf fbi fbl fbm fbo fea feb fee fef fei fel fem feo ffa ffe fff ffi ffl ffm ffo fia fib fie fif fii fil fim fla flb fle flf fli fll flm flo fma fmb fme fmf fmi fml fmm fmo foa fob foe fof foi fol fom foo i-f ia- iaa iab iae iaf iai ial iam iao iba ibb ibe ibf ibi ibl ibm ibo ie- iea iee ief iei iel iem ifa ifb ife iff ifi ifl ifm ifo iia iib iie iif iii iil iim iio il- ila ilb ile ilf ili ill ilm ilo im- ima imb ime imf imi iml imm imo io- ioa iob ioe iof ioi iol iom ioo la- laa lab lae laf lai lal lam lao lba lbb lbe lbf lbi lbl lbm lbo lea leb lee lef lei lel lem leo lfa lfb lfe lff lfi lfl lfm lfo lia lib lie lif lii lil lim lio lla llb lle llf lli lll llm llo lma lmb lme lmf lmi lml lmm lmo loa lob loe lof loi lol lom loo m-f m-o maa mab mae maf mai mal mam mao mba mbb mbe mbf mbi mbl mbm mbo mea meb mee mef mei mel mem meo mfa mfb mfe mff mfi mfl mfm mfo mi- mia mib mie mif mii mil mim mio mla mlb mle mlf mli mll mlm mlo mma mmb mme mmf mmi mml mmm mmo moa mob moe mof moi mol mom moo o-i oaa oab oae oaf oai oal oam oao ob- oba obb obe obf obi obl obm obo oea oeb oee oef oei oel oem oeo of- ofa ofb ofe off ofi ofl ofm ofo oia oib oie oif oii oil oim oio ola olb ole olf oli oll olm olo om- oma omb ome omf omi oml omm omo oo- ooa oob oof ooi ool oom ooo