-al -er -ol a-a a-b a-i aaa aab aae aaf aai aal aam aao aar aax ab- aba abb abe abf abi abl abm abo abr abx aea aeb aee aef aei ael aem aeo aer aex af- afa afb afe aff afi afl afm afo afr afx ai- aia aib aie aif aii ail aim aio air aix al- ala alb ale alf ali all alm alo alr alx ama amb ame amf ami aml amm amo amr amx aoa aob aoe aof aoi aol aom aoo aor aox ar- ara arb are arf ari arl arm aro arr arx ax- axa axe axi axl axm axo axr axx baa bab bae baf bai bal bam bao bar bax bba bbb bbe bbf bbi bbl bbm bbo bbr bbx be- bea beb bee bef bei bel bem beo ber bex bfa bfb bfe bff bfi bfl bfm bfo bfr bfx bi- bia bib bie bif bii bil bim bio bir bix bla blb ble blf bli bll blm blo blr blx bma bmb bme bmf bmi bml bmm bmo bmr bmx boa bob boe bof boi bol bom boo bor box bra brb bre brf bri brl brm bro brr brx bxb bxi bxl bxm bxo bxx eaa eab eae eaf eai eal eam eao ear eax eba ebb ebe ebf ebi ebl ebm ebo ebr ebx eea eeb eee eef eel eem eeo eer eex ef- efa efb efe eff efi efl efm efo efr efx eia eib eie eif eii eil eim eio eir eix ela elb ele elf eli ell elm elo elr elx em- ema emb eme emf emi eml emm emo emr emx eo- eoa eob eoe eof eoi eol eom eoo eor era erb ere erf eri erl erm ero err ex- exa exe exi exl exo exr exx faa fab fae faf fai fal fam fao far fax fba fbb fbe fbf fbi fbl fbm fbo fbr fbx fea feb fee fef fei fel fem feo fer fex ffa ffe fff ffi ffl ffm ffo ffr ffx fia fib fie fif fii fil fim fir fix fla flb fle flf fli fll flm flo flr flx fma fmb fme fmf fmi fml fmm fmo fmr fmx foa fob foe fof foi fol fom foo for fox fra frb fre frf fri frl frm fro frr fxe fxi fxm fxr fxx i-f ia- iaa iab iae iaf iai ial iam iao iar iba ibb ibe ibf ibi ibl ibm ibo ibr ibx ie- iea iee ief iei iel iem ier iex ifa ifb ife iff ifi ifl ifm ifo ifr ifx iia iib iie iif iii iil iim iio iir iix il- ila ilb ile ilf ili ill ilm ilo ilr ilx im- ima imb ime imf imi iml imm imo imx io- ioa iob ioe iof ioi iol iom ioo ior ir- ira irb ire irf iri irl irm iro irr irx ixe ixi ixl la- laa lab lae laf lai lal lam lao lar lax lba lbb lbe lbf lbi lbl lbm lbo lbr lbx lea leb lee lef lei lel lem leo ler lex lfa lfb lfe lff lfi lfl lfm lfo lfr lfx lia lib lie lif lii lil lim lio lir lix lla llb lle llf lli lll llm llo llr lma lmb lme lmf lmi lml lmm lmo lmr loa lob loe lof loi lol lom loo lor lox lra lrb lrf lri lrm lro lrr lxi lxo lxr lxx m-f m-o m-r maa mab mae maf mai mal mam mao mar max mba mbb mbe mbf mbi mbl mbm mbo mbr mbx mea meb mee mef mei mel mem meo mer mex mfa mfb mfe mff mfi mfl mfm mfo mfr mi- mia mib mie mif mii mil mim mio mir mix mla mlb mle mlf mli mll mlm mlo mlr mlx mma mmb mme mmf mmi mml mmm mmo mmr mmx moa mob moe mof moi mol mom moo mor mox mra mrb mre mrf mri mrl mrm mro mrr mrx mxa mxi mxl mxr o-i oaa oab oae oaf oai oal oam oao oar oax ob- oba obb obe obf obi obl obm obo obr obx oea oeb oee oef oei oel oem oeo oer oex of- ofa ofb ofe off ofi ofl ofm ofo ofr ofx oia oib oie oif oii oil oim oio oir ola olb ole olf oli oll olm olo om- oma omb ome omf omi oml omm omo omr omx oo- ooa oob oof ooi ool oom ooo oor oox or- ora orb ore orf ori orl orm oro orr orx ox- oxa oxb oxf oxi oxo oxx ra- raa rab rae raf rai ral ram rao rar rax rba rbb rbe rbf rbi rbl rbm rbo rbr rbx re- rea reb ree ref rei rel rem reo rer rex rfa rfb rfe rff rfi rfl rfm rfo rfr ria rib rie rif rii ril rim rio rir rix rla rle rlf rli rll rlm rlo rlr rma rmb rme rmf rmi rml rmm rmo rmr rmx roa rob roe rof roi rol rom roo ror rox rra rrb rrf rri rrl rrm rrr rxr xaa xaf xal xam xar xbe xbl xbr xbx xee xel xem xer xex xfa xfe xfl xfm xfx xia xie xii xio xix xla xlb xlf xli xlm xlr xma xmf xmi xml xmm xmo xmr xmx xoa xof xoi xom xoo xor xox xrf xrx xxi xxl xxo xxx

a-be a-ii aaaa aaab aaae aaaf aaai aaal aaam aaar aaba aabb aabi aabl aabm aaea aaem aafa aafb aaff aafi aafl aaib aaii aala aale aali aall aalo aama aamb aame aami aamo aamr aaoe aaoo aara aare aari aarm aaro abaa abab abae abaf abai abal abam abar abax abb- abba abbb abbe abbi abbo abbr abee abel aber abff abia abib abie abil abim abir abla able ablo abma abmb aboa abob abof abol aboo abor abox abra abri abro