-er a-a a-b a-i aaa aab aae aag aai aam aan aao aar aau ab- aba abb abe abg abi abm abn abo abr abu aea aeb aee aeg aei aem aen aeo aer aeu ag- aga agb age agg agi agm agn ago agr agu ai- aia aib aie aig aii aim ain aio air aiu ama amb ame amg ami amm amn amo amr amu an- ana anb ane ang ani anm ann ano anr anu aoa aob aoe aog aoi aom aon aoo aor aou ar- ara arb are arg ari arm arn aro arr aru au- aua aub aue aug aui aum aun auo aur b-u baa bab bae bag bai bam ban bao bar bau bba bbb bbe bbg bbi bbm bbn bbo bbr bbu be- bea beb bee beg bei bem ben beo ber beu bga bgb bge bgg bgi bgm bgn bgo bgr bgu bi- bia bib bie big bii bim bin bio bir biu bma bmb bme bmg bmi bmm bmn bmo bmr bmu bna bnb bne bng bni bnn bno bnr bnu boa bob boe bog boi bom bon boo bor bou bra brb bre brg bri brm brn bro brr bru bua bub bue bug bui bum bun buo bur buu eaa eab eae eag eai eam ean eao ear eau eba ebb ebe ebg ebi ebm ebn ebo ebr ebu eea eeb eee eeg eem een eeo eer ega egb ege egg egi egm egn ego egr egu eia eib eie eig eii eim ein eio eir eiu em- ema emb eme emg emi emm emn emo emr emu en- ena enb ene eng eni enm enn eno enr enu eo- eoa eob eoe eog eoi eom eon eoo eor eou era erb ere erg eri erm ern ero err eru eu- eua eub eue eug eui eun eur gaa gab gae gag gai gam gan gao gar gau gba gbe gbg gbi gbm gbn gbo gbr gbu ge- gea geb gee geg gei gem gen geo ger geu gga ggb ggg ggi ggm ggn ggo ggr ggu gia gib gie gig gii gim gin gio gir giu gma gmb gme gmg gmi gmm gmn gmo gmr gna gnb gne gni gnm gnn gno gnr gnu goa gob goe gog goi gom gon goo gor gou gra grb gre grg gri grm grn gro grr gru gu- gua gub gue gug gui gum gun guo gur guu ia- iaa iab iae iag iai iam ian iao iar iau iba ibb ibe ibg ibi ibm ibn ibo ibr ibu ie- iea iee ieg iei iem ien ier iga igb ige igg igi igm ign igo igr igu iia iib iie iii iim iin iio iir iiu im- ima imb ime img imi imm imn imo imu in- ina inb ine ing ini inm inn ino inr inu io- ioa iob ioe iog ioi iom ion ioo ior iou ir- ira irb ire irg iri irm irn iro irr iru iu- iua iub iue iug iui ium iur m-o m-r maa mab mae mag mai mam man mao mar mau mba mbb mbe mbg mbi mbm mbo mbr mbu mea meb mee meg mei mem men meo mer meu mga mgb mge mgi mgm mgn mgo mgr mgu mi- mia mib mie mig mii mim min mio mir miu mma mmb mme mmg mmi mmm mmn mmo mmr mmu mna mnb mne mng mni mnm mnn mno mnr mnu moa mob moe mog moi mom mon moo mor mou mra mrb mre mrg mri mrm mrn mro mrr mru mua mub mue mug mui mum mun mur muu n-i naa nab nae nag nai nam nan nao nar nau nba nbb nbe nbg nbi nbm nbn nbo nbr nbu ne- nea neb nee neg nei nem nen neo ner neu nga ngb nge ngg ngi ngm ngn ngo ngu nia nib nie nig nii nim nin nio nir niu nma nmb nme nmg nmi nmm nmn nmo nmr nmu nna nnb nne nng nni nnm nnn nno nnu no- noa nob noe nog noi nom non noo nor nou nra nrb nre nrg nri nrm nrn nro nrr nru nua nub nue nug nui num nun nuo nur nuu o-i oaa oab oae oag oai oam oan oao oar oau ob- oba obb obe obg obi obm obn obo obr obu oea oeb oee oeg oei oem oen oeo oer oga oge ogg ogi ogn ogo oia oib oie oii oim oin oio oir oiu om- oma omb ome omg omi omm omn omo omr omu on- ona onb one ong oni onn ono onr onu oo- ooa oob oog ooi oom oon ooo oor or- ora orb ore org ori orm orn oro orr oru ou- oua oue oui oum oun ouo our ra- raa rab rae rag rai ram ran rao rar rau rba rbb rbe rbg rbi rbm rbn rbo rbr rbu re- rea reb ree reg rei rem ren reo rer reu rga rgb rge rgg rgi rgn rgo rgr ria rib rie rig rii rim rin rio rir rma rmb rme rmg rmi rmm rmn rmo rmr rna rnb rng rni rnm rnn rno rnr rnu roa rob roe rog roi rom ron roo ror rou rra rrb rrg rri rrm rrn rrr rru rua rub rue rug rui rum run ruo rur ruu ua- uaa uab uae uag uai uam uan uao uar uau uba ubb ube ubg ubi ubn ubo ubr ubu uea ueb uee ueg uei uem uen uer uga ugb uge ugg ugi ugm ugn ugo ugr ugu uia uib uie uig uii uim uin uio uir uiu um- uma umb ume umg umi umm umn umo umr umu un- una unb une ung uni unm unn uno unr unu uoa uob uoe uog uom uon uoo uor ur- ura urb ure urg uri urm urn uro urr uru uua uue uug uum uun uur uuu