a-a a-b a-i aaa aab aad aai aak aan aar aau ab- aba abb abd abi abk abn abr abu ad- ada adb add adi adk adn adr adu ai- aia aib aid aii aik ain air aiu aka akb akd aki akk akn akr aku an- ana anb and ani ank ann anr anu ar- ara arb ard ari ark arn arr aru au- aua aub aud aui auk aun aur b-u baa bab bad bai bak ban bar bau bba bbb bbd bbi bbk bbn bbr bbu bda bdb bdd bdi bdk bdr bdu bi- bia bib bid bii bik bin bir biu bka bkb bkk bkn bkr bna bnb bnd bni bnk bnn bnr bnu bra brb brd bri brk brn brr bru bua bub bud bui buk bun bur buu daa dab dad dai dak dan dar dau dba dbb dbd dbi dbk dbn dbr dbu dda ddb ddd ddi ddk ddn ddr ddu di- dia dib did dii dik din dir diu dka dkb dki dkk dkr dku dna dnb dnd dni dnk dnn dnr dra drb drd dri drk drn drr dru dua dub dud dui duk dun dur i-d ia- iaa iab iad iai ian iar iau iba ibb ibd ibi ibk ibn ibr ibu ida idb idd idi idk idn idr idu iia iib iid iii iin iir iiu ika ikb iki ikk ikr iku in- ina inb ind ini ink inn inr inu ir- ira irb ird iri irk irn irr iru iu- iua iub iud iui iur ka- kaa kab kad kai kak kan kar kau kba kbb kbd kbi kbk kbn kbr kbu kda kdb kdk kdr kdu kia kib kid kii kik kin kir kiu kkb kki kkk kkn kkr kku kn- kna knd kni knk knn knr knu kra krd kri krk krn krr kru kub kud kui kuk kun kur kuu n-i naa nab nad nai nak nan nar nau nba nbb nbd nbi nbk nbn nbr nbu nda ndb ndd ndi ndk ndn ndr ndu nia nib nid nii nik nin nir niu nka nki nkk nkn nkr nku nna nnb nni nnk nnn nnu nra nrb nrd nri nrk nrn nrr nru nua nub nud nui nuk nun nur nuu ra- raa rab rad rai rak ran rar rau rba rbb rbd rbi rbk rbn rbr rbu rda rdb rdd rdi rdn rdr rdu ria rib rid rii rik rin rir rkb rkk rku rna rnb rnd rni rnn rnr rnu rra rrb rrd rri rrk rrn rrr rru rua rub rud rui ruk run rur ruu ua- uaa uab uad uai uak uan uar uau uba ubb ubi ubk ubn ubr ubu uda udb udd udi udk udn udr udu uia uib uid uii uin uir uiu uka ukb uki ukk ukn ukr uku un- una unb und uni unk unn unr unu ur- ura urb urd uri urk urn urr uru uua uun uur uuu