-er a-a a-b a-i aaa aab aae aag aai aam aan aao aar aas aau ab- aba abb abe abg abi abm abn abo abr abs abu aea aeb aee aeg aei aem aen aeo aer aes aeu ag- aga agb age agg agi agm agn ago agr ags agu ai- aia aib aie aig aii aim ain aio air ais aiu ama amb ame amg ami amm amn amo amr ams amu an- ana anb ane ang ani anm ann ano anr ans anu aoa aob aoe aog aoi aom aon aoo aor aos aou ar- ara arb are arg ari arm arn aro arr ars aru as- asa asb ase asg asi asm asn aso asr ass asu au- aua aub aue aug aui aum aun auo aur aus b-u baa bab bae bag bai bam ban bao bar bas bau bba bbb bbe bbg bbi bbm bbn bbo bbr bbs bbu be- bea beb bee beg bei bem ben beo ber bes beu bga bgb bge bgg bgi bgm bgn bgo bgr bgs bgu bi- bia bib bie big bii bim bin bio bir bis biu bma bmb bme bmg bmi bmm bmn bmo bmr bms bmu bna bnb bne bng bni bnn bno bnr bns bnu boa bob boe bog boi bom bon boo bor bos bou bra brb bre brg bri brm brn bro brr brs bru bsa bsb bse bsg bsi bsm bsn bso bsr bss bsu bua bub bue bug bui bum bun buo bur bus buu eaa eab eae eag eai eam ean eao ear eas eau eba ebb ebe ebg ebi ebm ebn ebo ebr ebs ebu eea eeb eee eeg eem een eeo eer ees ega egb ege egg egi egm egn ego egr egs egu eia eib eie eig eii eim ein eio eir eis eiu em- ema emb eme emg emi emm emn emo emr ems emu en- ena enb ene eng eni enm enn eno enr ens enu eo- eoa eob eoe eog eoi eom eon eoo eor eos eou era erb ere erg eri erm ern ero err ers eru es- esa esb ese esg esi esm esn eso esr ess esu eu- eua eub eue eug eui eun eur eus gaa gab gae gag gai gam gan gao gar gas gau gba gbe gbg gbi gbm gbn gbo gbr gbs gbu ge- gea geb gee geg gei gem gen geo ger ges geu gga ggb ggg ggi ggm ggn ggo ggr ggs ggu gia gib gie gig gii gim gin gio gir gis giu gma gmb gme gmg gmi gmm gmn gmo gmr gms gna gnb gne gni gnm gnn gno gnr gns gnu goa gob goe gog goi gom gon goo gor gos gou gra grb gre grg gri grm grn gro grr grs gru gsa gsb gse gsg gsi gsm gsn gso gsr gss gsu gu- gua gub gue gug gui gum gun guo gur gus guu ia- iaa iab iae iag iai iam ian iao iar ias iau iba ibb ibe ibg ibi ibm ibn ibo ibr ibs ibu ie- iea iee ieg iei iem ien ier ies iga igb ige igg igi igm ign igo igr igs igu iia iib iie iii iim iin iio iir iis iiu im- ima imb ime img imi imm imn imo ims imu in- ina inb ine ing ini inm inn ino inr ins inu io- ioa iob ioe iog ioi iom ion ioo ior ios iou ir- ira irb ire irg iri irm irn iro irr irs iru is- isa isb ise isg isi ism isn iso isr iss isu iu- iua iub iue iug iui ium iur ius m-o m-r maa mab mae mag mai mam man mao mar mas mau mba mbb mbe mbg mbi mbm mbo mbr mbs mbu mea meb mee meg mei mem men meo mer mes meu mga mgb mge mgi mgm mgn mgo mgr mgs mgu mi- mia mib mie mig mii mim min mio mir mis miu mma mmb mme mmg mmi mmm mmn mmo mmr mms mmu mna mnb mne mng mni mnm mnn mno mnr mns mnu moa mob moe mog moi mom mon moo mor mos mou mra mrb mre mrg mri mrm mrn mro mrr mrs mru msa msb mse msg msi msm msn mso msr mss msu mua mub mue mug mui mum mun mur mus muu n-i naa nab nae nag nai nam nan nao nar nas nau nba nbb nbe nbg nbi nbm nbn nbo nbr nbs nbu ne- nea neb nee neg nei nem nen neo ner nes neu nga ngb nge ngg ngi ngm ngn ngo ngs ngu nia nib nie nig nii nim nin nio nir nis niu nma nmb nme nmg nmi nmm nmn nmo nmr nms nmu nna nnb nne nng nni nnm nnn nno nns nnu no- noa nob noe nog noi nom non noo nor nos nou nra nrb nre nrg nri nrm nrn nro nrr nrs nru nsa nsb nse nsg nsi nsm nsn nso nsr nss nsu nua nub nue nug nui num nun nuo nur nus nuu o-i oaa oab oae oag oai oam oan oao oar oas oau ob- oba obb obe obg obi obm obn obo obr obs obu oea oeb oee oeg oei oem oen oeo oer oes oga oge ogg ogi ogn ogo ogs oia oib oie oii oim oin oio oir ois oiu om- oma omb ome omg omi omm omn omo omr oms omu on- ona onb one ong oni onn ono onr ons onu oo- ooa oob oog ooi oom oon ooo oor oos or- ora orb ore org ori orm orn oro orr ors oru os- osa osb ose osg osi osm osn oso osr oss osu ou- oua oue oui oum oun ouo our ous ra- raa rab rae rag rai ram ran rao rar ras rau rba rbb rbe rbg rbi rbm rbn rbo rbr rbs rbu re- rea