a-a a-b a-i aaa aab aag aai aam aan aao aar aau ab- aba abb abg abi abm abn abo abr abu ag- aga agb agg agi agm agn ago agr agu ai- aia aib aig aii aim ain aio air aiu ama amb amg ami amm amn amo amr amu an- ana anb ang ani anm ann ano anr anu aoa aob aog aoi aom aon aoo aor aou ar- ara arb arg ari arm arn aro arr aru au- aua aub aug aui aum aun auo aur b-u baa bab bag bai bam ban bao bar bau bba bbb bbg bbi bbm bbn bbo bbr bbu bga bgb bgg bgi bgm bgn bgo bgr bgu bi- bia bib big bii bim bin bio bir biu bma bmb bmg bmi bmm bmn bmo bmr bmu bna bnb bng bni bnn bno bnr bnu boa bob bog boi bom bon boo bor bou bra brb brg bri brm brn bro brr bru bua bub bug bui bum bun buo bur buu gaa gab gag gai gam gan gao gar gau gba gbg gbi gbm gbn gbo gbr gbu gga ggb ggg ggi ggm ggn ggo ggr ggu gia gib gig gii gim gin gio gir giu gma gmb gmg gmi gmm gmn gmo gmr gna gnb gni gnm gnn gno gnr gnu goa gob gog goi gom gon goo gor gou gra grb grg gri grm grn gro grr gru gu- gua gub gug gui gum gun guo gur guu ia- iaa iab iag iai iam ian iao iar iau iba ibb ibg ibi ibm ibn ibo ibr ibu iga igb igg igi igm ign igo igr igu iia iib iii iim iin iio iir iiu im- ima imb img imi imm imn imo imu in- ina inb ing ini inm inn ino inr inu io- ioa iob iog ioi iom ion ioo ior iou ir- ira irb irg iri irm irn iro irr iru iu- iua iub iug iui ium iur m-o m-r maa mab mag mai mam man mao mar mau mba mbb mbg mbi mbm mbo mbr mbu mga mgb mgi mgm mgn mgo mgr mgu mi- mia mib mig mii mim min mio mir miu mma mmb mmg mmi mmm mmn mmo mmr mmu mna mnb mng mni mnm mnn mno mnr mnu moa mob mog moi mom mon moo mor mou mra mrb mrg mri mrm mrn mro mrr mru mua mub mug mui mum mun mur muu n-i naa nab nag nai nam nan nao nar nau nba nbb nbg nbi nbm nbn nbo nbr nbu nga ngb ngg ngi ngm ngn ngo ngu nia nib nig nii nim nin nio nir niu nma nmb nmg nmi nmm nmn nmo nmr nmu nna nnb nng nni nnm nnn nno nnu no- noa nob nog noi nom non noo nor nou nra nrb nrg nri nrm nrn nro nrr nru nua nub nug nui num nun nuo nur nuu o-i oaa oab oag oai oam oan oao oar oau ob- oba obb obg obi obm obn obo obr obu oga ogg ogi ogn ogo oia oib oii oim oin oio oir oiu om- oma omb omg omi omm omn omo omr omu on- ona onb ong oni onn ono onr onu oo- ooa oob oog ooi oom oon ooo oor or- ora orb org ori orm orn oro orr oru ou- oua oui oum oun ouo our ra- raa rab rag rai ram ran rao rar rau rba rbb rbg rbi rbm rbn rbo rbr rbu rga rgb rgg rgi rgn rgo rgr ria rib rig rii rim rin rio rir rma rmb rmg rmi rmm rmn rmo rmr rna rnb rng rni rnm rnn rno rnr rnu roa rob rog roi rom ron roo ror rou rra rrb rrg rri rrm rrn rrr rru rua rub rug rui rum run ruo rur ruu ua- uaa uab uag uai uam uan uao uar uau uba ubb ubg ubi ubn ubo ubr ubu uga ugb ugg ugi ugm ugn ugo ugr ugu uia uib uig uii uim uin uio uir uiu um- uma umb umg umi umm umn umo umr umu un- una unb ung uni unm unn uno unr unu uoa uob uog uom uon uoo uor ur- ura urb urg uri urm urn uro urr uru uua uug uum uun uur uuu