a-a aaa aaf aak aam aan aao aar aau af- afa aff afk afm afn afo afr afu aka akk akm akn ako akr aku ama amf amk amm amn amo amr amu an- ana anf ank anm ann ano anr anu aoa aof aok aom aon aoo aor aou ar- ara arf ark arm arn aro arr aru au- aua auf auk aum aun auo aur faa faf fak fam fan fao far fau ffa fff ffk ffm ffn ffo ffr ffu fka fkf fkk fkm fma fmf fmm fmn fmo fmr fmu fna fnf fnk fnm fnn fnr fnu foa fof fok fom fon foo for fou fra frf frk frm frn fro frr fru fua fuf fuk fum fun fuo fur fuu ka- kaa kaf kak kam kan kao kar kau kfa kff kfm kfo kfu kkk kkm kkn kkr kku kma kmf kmk kmm kmo kmu kn- kna knf knk knm knn kno knr knu koa kof kok kom kon koo kor kou kra krf krk krn kro krr kru kuk kum kun kur kuu m-f m-o m-r maa maf mak mam man mao mar mau mfa mff mfm mfn mfo mfr mfu mka mkk mkm mkn mko mkr mku mma mmf mmk mmm mmn mmo mmr mmu mna mnf mnk mnm mnn mno mnr mnu moa mof mok mom mon moo mor mou mra mrf mrk mrm mrn mro mrr mru mua muf muk mum mun mur muu naa naf nak nam nan nao nar nau nfa nff nfk nfn nfo nfr nfu nka nkf nkk nkm nkn nko nkr nku nma nmk nmm nmn nmo nmr nmu nna nnf nnk nnm nnn nno nnu no- noa nof nok nom non noo nor nou nra nrf nrk nrm nrn nro nrr nru nua nuk num nun nuo nur nuu oaa oaf oak oam oan oao oar oau of- ofa off ofm ofn ofo ofr ofu oka okk oko okr oku om- oma omf omm omn omo omr omu on- ona onf onk onn ono onr onu oo- ooa oof ook oom oon ooo oor or- ora orf ork orm orn oro orr oru ou- oua ouf ouk oum oun ouo our ra- raa raf rak ram ran rao rar rau rfa rff rfk rfm rfn rfo rfr rfu rkf rkk rkm rko rku rma rmf rmm rmn rmo rmr rna rnm rnn rno rnr rnu roa rof rok rom ron roo ror rou rra rrf rrk rrm rrn rrr rru rua ruf ruk rum run ruo rur ruu ua- uaa uaf uak uam uan uao uar uau ufa uff ufm ufn ufo ufr ufu uka ukf ukk ukn ukr uku um- uma umf umm umn umo umr umu un- una unf unk unm unn uno unr unu uoa uok uom uon uoo uor ur- ura urf urk urm urn uro urr uru uua uum uun uur uuu