-al -ol a-a a-b a-t aaa aab aae aaf aal aam aao aat ab- aba abb abe abf abl abm abo abt aea aeb aee aef ael aem aeo aet af- afa afb afe aff afl afm afo aft al- ala alb ale alf all alm alo alt ama amb ame amf aml amm amo amt aoa aob aoe aof aol aom aoo aot at- ata atb ate atf atl atm ato att baa bab bae baf bal bam bao bat bba bbb bbe bbf bbl bbm bbo bbt be- bea beb bee bef bel bem beo bet bfa bfb bfe bff bfl bfm bfo bft bla blb ble blf bll blm blo blt bma bmb bme bmf bml bmm bmo bmt boa bob boe bof bol bom boo bot bta btb bte btf btl btm bto btt eaa eab eae eaf eal eam eao eat eba ebb ebe ebf ebl ebm ebo ebt eea eeb eee eef eel eem eeo eet ef- efa efb efe eff efl efm efo eft ela elb ele elf ell elm elo elt em- ema emb eme emf eml emm emo emt eo- eoa eob eoe eof eol eom eoo eot eta etb ete etf etl etm eto ett faa fab fae faf fal fam fao fat fba fbb fbe fbf fbl fbm fbo fbt fea feb fee fef fel fem feo fet ffa ffe fff ffl ffm ffo fft fla flb fle flf fll flm flo flt fma fmb fme fmf fml fmm fmo fmt foa fob foe fof fol fom foo fot fta ftb fte ftf ftl ftm fto ftt la- laa lab lae laf lal lam lao lat lba lbb lbe lbf lbl lbm lbo lbt lea leb lee lef lel lem leo let lfa lfb lfe lff lfl lfm lfo lft lla llb lle llf lll llm llo llt lma lmb lme lmf lml lmm lmo lmt loa lob loe lof lol lom loo lot lta ltb lte ltf ltl ltm lto ltt m-f m-o maa mab mae maf mal mam mao mat mba mbb mbe mbf mbl mbm mbo mbt mea meb mee mef mel mem meo met mfa mfb mfe mff mfl mfm mfo mft mla mlb mle mlf mll mlm mlo mlt mma mmb mme mmf mml mmm mmo mmt moa mob moe mof mol mom moo mot mta mtb mte mtf mtl mtm mto mtt oaa oab oae oaf oal oam oao oat ob- oba obb obe obf obl obm obo obt oea oeb oee oef oel oem oeo oet of- ofa ofb ofe off ofl ofm ofo oft ola olb ole olf oll olm olo olt om- oma omb ome omf oml omm omo omt oo- ooa oob oof ool oom ooo oot ot- ota otb ote otf otl otm oto ott taa tab tae taf tal tam tao tat tba tbb tbe tbf tbl tbm tbo tbt te- tea teb tee tef tel tem teo tet tfa tfb tfe tff tfl tfm tfo tft tla tle tlf tll tlm tlo tlt tma tmb tme tmf tml tmm tmo tmt to- toa tob toe tof tol tom too tot tta ttb tte ttf ttl ttm tto ttt