a-a a-b a-i aaa aab aai aak aam aan aao aar aau ab- aba abb abi abk abm abn abo abr abu ai- aia aib aii aik aim ain aio air aiu aka akb aki akk akm akn ako akr aku ama amb ami amk amm amn amo amr amu an- ana anb ani ank anm ann ano anr anu aoa aob aoi aok aom aon aoo aor aou ar- ara arb ari ark arm arn aro arr aru au- aua aub aui auk aum aun auo aur b-u baa bab bai bak bam ban bao bar bau bba bbb bbi bbk bbm bbn bbo bbr bbu bi- bia bib bii bik bim bin bio bir biu bka bkb bkk bkm bkn bko bkr bma bmb bmi bmk bmm bmn bmo bmr bmu bna bnb bni bnk bnn bno bnr bnu boa bob boi bok bom bon boo bor bou bra brb bri brk brm brn bro brr bru bua bub bui buk bum bun buo bur buu ia- iaa iab iai iam ian iao iar iau iba ibb ibi ibk ibm ibn ibo ibr ibu iia iib iii iim iin iio iir iiu ika ikb iki ikk iko ikr iku im- ima imb imi imm imn imo imu in- ina inb ini ink inm inn ino inr inu io- ioa iob ioi iom ion ioo ior iou ir- ira irb iri irk irm irn iro irr iru iu- iua iub iui ium iur ka- kaa kab kai kak kam kan kao kar kau kba kbb kbi kbk kbm kbn kbo kbr kbu kia kib kii kik kim kin kio kir kiu kkb kki kkk kkm kkn kkr kku kma kmb kmi kmk kmm kmo kmu kn- kna kni knk knm knn kno knr knu koa kob koi kok kom kon koo kor kou kra kri krk krn kro krr kru kub kui kuk kum kun kur kuu m-o m-r maa mab mai mak mam man mao mar mau mba mbb mbi mbk mbm mbo mbr mbu mi- mia mib mii mik mim min mio mir miu mka mkb mkk mkm mkn mko mkr mku mma mmb mmi mmk mmm mmn mmo mmr mmu mna mnb mni mnk mnm mnn mno mnr mnu moa mob moi mok mom mon moo mor mou mra mrb mri mrk mrm mrn mro mrr mru mua mub mui muk mum mun mur muu n-i naa nab nai nak nam nan nao nar nau nba nbb nbi nbk nbm nbn nbo nbr nbu nia nib nii nik nim nin nio nir niu nka nki nkk nkm nkn nko nkr nku nma nmb nmi nmk nmm nmn nmo nmr nmu nna nnb nni nnk nnm nnn nno nnu no- noa nob noi nok nom non noo nor nou nra nrb nri nrk nrm nrn nro nrr nru nua nub nui nuk num nun nuo nur nuu o-i oaa oab oai oak oam oan oao oar oau ob- oba obb obi obk obm obn obo obr obu oia oib oii oik oim oin oio oir oiu oka okb oki okk oko okr oku om- oma omb omi omm omn omo omr omu on- ona onb oni onk onn ono onr onu oo- ooa oob ooi ook oom oon ooo oor or- ora orb ori ork orm orn oro orr oru ou- oua oui ouk oum oun ouo our ra- raa rab rai rak ram ran rao rar rau rba rbb rbi rbk rbm rbn rbo rbr rbu ria rib rii rik rim rin rio rir rkb rkk rkm rko rku rma rmb rmi rmm rmn rmo rmr rna rnb rni rnm rnn rno rnr rnu roa rob roi rok rom ron roo ror rou rra rrb rri rrk rrm rrn rrr rru rua rub rui ruk rum run ruo rur ruu ua- uaa uab uai uak uam uan uao uar uau uba ubb ubi ubk ubn ubo ubr ubu uia uib uii uim uin uio uir uiu uka ukb uki ukk ukn ukr uku um- uma umb umi umm umn umo umr umu un- una unb uni unk unm unn uno unr unu uoa uob uok uom uon uoo uor ur- ura urb uri urk urm urn uro urr uru uua uum uun uur uuu