-er a-a a-b a-i aaa aab aae aaf aai aam aan aao aar aas aau ab- aba abb abe abf abi abm abn abo abr abs abu aea aeb aee aef aei aem aen aeo aer aes aeu af- afa afb afe aff afi afm afn afo afr afs afu ai- aia aib aie aif aii aim ain aio air ais aiu ama amb ame amf ami amm amn amo amr ams amu an- ana anb ane anf ani anm ann ano anr ans anu aoa aob aoe aof aoi aom aon aoo aor aos aou ar- ara arb are arf ari arm arn aro arr ars aru as- asa asb ase asf asi asm asn aso asr ass asu au- aua aub aue auf aui aum aun auo aur aus b-u baa bab bae baf bai bam ban bao bar bas bau bba bbb bbe bbf bbi bbm bbn bbo bbr bbs bbu be- bea beb bee bef bei bem ben beo ber bes beu bfa bfb bfe bff bfi bfm bfn bfo bfr bfs bfu bi- bia bib bie bif bii bim bin bio bir bis biu bma bmb bme bmf bmi bmm bmn bmo bmr bms bmu bna bnb bne bnf bni bnn bno bnr bns bnu boa bob boe bof boi bom bon boo bor bos bou bra brb bre brf bri brm brn bro brr brs bru bsa bsb bse bsf bsi bsm bsn bso bsr bss bsu bua bub bue buf bui bum bun buo bur bus buu eaa eab eae eaf eai eam ean eao ear eas eau eba ebb ebe ebf ebi ebm ebn ebo ebr ebs ebu eea eeb eee eef eem een eeo eer ees ef- efa efb efe eff efi efm efo efr efs eia eib eie eif eii eim ein eio eir eis eiu em- ema emb eme emf emi emm emn emo emr ems emu en- ena enb ene enf eni enm enn eno enr ens enu eo- eoa eob eoe eof eoi eom eon eoo eor eos eou era erb ere erf eri erm ern ero err ers eru es- esa esb ese esf esi esm esn eso esr ess esu eu- eua eub eue euf eui eun eur eus faa fab fae faf fai fam fan fao far fas fau fba fbb fbe fbf fbi fbm fbn fbo fbr fbs fbu fea feb fee fef fei fem fen feo fer fes feu ffa ffe fff ffi ffm ffn ffo ffr ffs ffu fia fib fie fif fii fim fin fir fis fiu fma fmb fme fmf fmi fmm fmn fmo fmr fms fmu fna fnb fne fnf fni fnm fnn fnr fns fnu foa fob foe fof foi fom fon foo for fos fou fra frb fre frf fri frm frn fro frr frs fru fsa fsb fse fsf fsi fsm fsn fso fsr fss fsu fua fub fue fuf fui fum fun fuo fur fus fuu i-f ia- iaa iab iae iaf iai iam ian iao iar ias iau iba ibb ibe ibf ibi ibm ibn ibo ibr ibs ibu ie- iea iee ief iei iem ien ier ies ifa ifb ife iff ifi ifm ifn ifo ifr ifs ifu iia iib iie iif iii iim iin iio iir iis iiu im- ima imb ime imf imi imm imn imo ims imu in- ina inb ine inf ini inm inn ino inr ins inu io- ioa iob ioe iof ioi iom ion ioo ior ios iou ir- ira irb ire irf iri irm irn iro irr irs iru is- isa isb ise isf isi ism isn iso isr iss isu iu- iua iub iue iui ium iur ius m-f m-o m-r maa mab mae maf mai mam man mao mar mas mau mba mbb mbe mbf mbi mbm mbo mbr mbs mbu mea meb mee mef mei mem men meo mer mes meu mfa mfb mfe mff mfi mfm mfn mfo mfr mfs mfu mi- mia mib mie mif mii mim min mio mir mis miu mma mmb mme mmf mmi mmm mmn mmo mmr mms mmu mna mnb mne mnf mni mnm mnn mno mnr mns mnu moa mob moe mof moi mom mon moo mor mos mou mra mrb mre mrf mri mrm mrn mro mrr mrs mru msa msb mse msf msi msm msn mso msr mss msu mua mub mue muf mui mum mun mur mus muu n-i naa nab nae naf nai nam nan nao nar nas nau nba nbb nbe nbf nbi nbm nbn nbo nbr nbs nbu ne- nea neb nee nef nei nem nen neo ner nes neu nfa nfb nfe nff nfi nfn nfo nfr nfs nfu nia nib nie nif nii nim nin nio nir nis niu nma nmb nme nmi nmm nmn nmo nmr nms nmu nna nnb nne nnf nni nnm nnn nno nns nnu no- noa nob noe nof noi nom non noo nor nos nou nra nrb nre nrf nri nrm nrn nro nrr nrs nru nsa nsb nse nsf nsi nsm nsn nso nsr nss nsu nua nub nue nui num nun nuo nur nus nuu o-i oaa oab oae oaf oai oam oan oao oar oas oau ob- oba obb obe obf obi obm obn obo obr obs obu oea oeb oee oef oei oem oen oeo oer oes of- ofa ofb ofe off ofi ofm ofn ofo ofr ofs ofu oia oib oie oif oii oim oin oio oir ois oiu om- oma omb ome omf omi omm omn omo omr oms omu on- ona onb one onf oni onn ono onr ons onu oo- ooa oob oof ooi oom oon ooo oor oos or- ora orb ore orf ori orm orn oro orr ors oru os- osa osb ose osf osi osm osn oso osr oss osu ou- oua oue ouf oui oum oun ouo our ous ra- raa rab rae raf rai ram ran rao rar ras rau rba rbb rbe rbf rbi rbm rbn