-al -er -ol a-a a-b aaa aab aad aae aaf aal aam aan aao aar aau ab- aba abb abd abe abf abl abm abn abo abr abu ad- ada adb add ade adf adl adm adn ado adr adu aea aeb aed aee aef ael aem aen aeo aer aeu af- afa afb afd afe aff afl afm afn afo afr afu al- ala alb ald ale alf all alm aln alo alr alu ama amb amd ame amf aml amm amn amo amr amu an- ana anb and ane anf anl anm ann ano anr anu aoa aob aod aoe aof aol aom aon aoo aor aou ar- ara arb ard are arf arl arm arn aro arr aru au- aua aub aud aue auf aul aum aun auo aur b-u baa bab bad bae baf bal bam ban bao bar bau bba bbb bbd bbe bbf bbl bbm bbn bbo bbr bbu bda bdb bdd bde bdf bdl bdm bdo bdr bdu be- bea beb bed bee bef bel bem ben beo ber beu bfa bfb bfd bfe bff bfl bfm bfn bfo bfr bfu bla blb bld ble blf bll blm bln blo blr blu bma bmb bmd bme bmf bml bmm bmn bmo bmr bmu bna bnb bnd bne bnf bnl bnn bno bnr bnu boa bob bod boe bof bol bom bon boo bor bou bra brb brd bre brf brl brm brn bro brr bru bua bub bud bue buf bul bum bun buo bur buu daa dab dad dae daf dal dam dan dao dar dau dba dbb dbd dbe dbf dbl dbm dbn dbo dbr dbu dda ddb ddd dde ddf ddl ddm ddn ddo ddr ddu de- dea deb ded dee def del dem den deo der deu dfa dfb dfd dfe dff dfl dfm dfn dfo dfr dfu dl- dla dlb dld dle dlf dll dlm dlo dlr dlu dma dmb dmd dme dmf dml dmm dmn dmo dmr dmu dna dnb dnd dne dnf dnl dnm dnn dno dnr doa dob dod doe dof dol dom don doo dor dou dra drb drd dre drl drm drn dro drr dru dua dub dud due duf dul dum dun duo dur eaa eab ead eae eaf eal eam ean eao ear eau eba ebb ebd ebe ebf ebl ebm ebn ebo ebr ebu ed- eda edb edd ede edf edl edm edn edo edr edu eea eeb eed eee eef eel eem een eeo eer ef- efa efb efd efe eff efl efm efo efr ela elb eld ele elf ell elm eln elo elr elu em- ema emb emd eme emf eml emm emn emo emr emu en- ena enb end ene enf enl enm enn eno enr enu eo- eoa eob eod eoe eof eol eom eon eoo eor eou era erb erd ere erf erl erm ern ero err eru eu- eua eub eud eue euf eul eun eur faa fab fad fae faf fal fam fan fao far fau fba fbb fbd fbe fbf fbl fbm fbn fbo fbr fbu fda fdb fdd fde fdf fdl fdm fdn fdo fdr fdu fea feb fed fee fef fel fem fen feo fer feu ffa ffd ffe fff ffl ffm ffn ffo ffr ffu fla flb fld fle flf fll flm fln flo flr flu fma fmb fmd fme fmf fml fmm fmn fmo fmr fmu fna fnb fnd fne fnf fnl fnm fnn fnr fnu foa fob foe fof fol fom fon foo for fou fra frb frd fre frf frl frm frn fro frr fru fua fub fud fue fuf ful fum fun fuo fur fuu la- laa lab lad lae laf lal lam lan lao lar lau lba lbb lbd lbe lbf lbl lbm lbo lbr lbu lda ldb ldd lde ldf ldl ldm ldn ldo ldr ldu lea leb led lee lef lel lem len leo ler leu lfa lfb lfd lfe lff lfl lfm lfn lfo lfr lfu lla llb lld lle llf lll llm lln llo llr llu lma lmb lmd lme lmf lml lmm lmn lmo lmr lmu lna lnb lnd lne lnl lnm lnn lno lnr lnu loa lob lod loe lof lol lom lon loo lor lou lra lrb lrd lrf lrm lrn lro lrr lru lua lub lud lue luf lul lum lun luo lur luu m-f m-o m-r maa mab mad mae maf mal mam man mao mar mau mba mbb mbd mbe mbf mbl mbm mbo mbr mbu mda mdb mdd mde mdf mdl mdm mdn mdo mdr mdu mea meb med mee mef mel mem men meo mer meu mfa mfb mfd mfe mff mfl mfm mfn mfo mfr mfu mla mlb mld mle mlf mll mlm mln mlo mlr mlu mma mmb mmd mme mmf mml mmm mmn mmo mmr mmu mna mnb mne mnf mnl mnm mnn mno mnr mnu moa mob mod moe mof mol mom mon moo mor mou mra mrb mrd mre mrf mrl mrm mrn mro mrr mru mua mub mud mue muf mul mum mun mur muu naa nab nad nae naf nal nam nan nao nar nau nba nbb nbd nbe nbf nbl nbm nbn nbo nbr nbu nda ndb ndd nde ndf ndl ndm ndn ndo ndr ndu ne- nea neb ned nee nef nel nem nen neo ner neu nfa nfb nfd nfe nff nfl nfn nfo nfr nfu nla nlb nld nle nlf nll nlm nln nlo nlr nlu nma nmb nmd nme nml nmm nmn nmo nmr nmu nna nnb nne nnf nnl nnm nnn nno nnu no- noa nob nod noe nof nol nom non noo nor nou nra nrb nrd nre nrf nrl nrm nrn nro nrr nru nua nub nud nue nul num nun nuo nur nuu oaa oab oad oae oaf oal oam oan oao oar oau ob- oba obb obd obe obf obl obm obn obo obr obu oda odb odd ode odf odl odm odn odo