a-a a-b a-i aaa aab aag aai aak aar aau aay ab- aba abb abg abi abk abr abu aby ag- aga agb agg agi agk agr agu agy ai- aia aib aig aii aik air aiu aiy aka akb akg aki akk akr aku ar- ara arb arg ari ark arr aru ary au- aua aub aug aui auk aur ay- aya ayi ayk ayr ayu b-u baa bab bag bai bak bar bau bay bba bbb bbg bbi bbk bbr bbu bby bga bgb bgg bgi bgk bgr bgu bi- bia bib big bii bik bir biu biy bka bkb bkg bkk bkr bra brb brg bri brk brr bru bry bua bub bug bui buk bur buu buy by- bya byg byi byk byr byu gaa gab gag gai gak gar gau gay gba gbg gbi gbk gbr gbu gby gga ggb ggg ggi ggr ggu gia gib gig gii gik gir giu giy gka gkb gra grb grg gri grk grr gru gry gu- gua gub gug gui guk gur guu guy gy- gya gyb gyr ia- iaa iab iag iai iar iau iba ibb ibg ibi ibk ibr ibu iby iga igb igg igi igk igr igu igy iia iib iii iir iiu ika ikb iki ikk ikr iku ir- ira irb irg iri irk irr iru iry iu- iua iub iug iui iur iya iyr iyy ka- kaa kab kag kai kak kar kau kay kba kbb kbi kbk kbr kbu kga kgb kgi kgu kgy kia kib kig kii kik kir kiu kkb kki kkk kkr kku kky kra krg kri krk krr kru kry kub kug kui kuk kur kuu kuy kya kyr kyu ra- raa rab rag rai rak rar rau ray rba rbb rbg rbi rbk rbr rbu rga rgb rgg rgi rgk rgr ria rib rig rii rik rir riy rkb rkg rkk rku rky rra rrb rrg rri rrk rrr rru rua rub rug rui ruk rur ruu ruy ry- rya ryg ryk ryr ryu ryy ua- uaa uab uag uai uak uar uau uay uba ubb ubg ubi ubk ubr ubu uby uga ugb ugg ugi ugk ugr ugu uia uib uig uii uir uiu uka ukb uki ukk ukr uku ur- ura urb urg uri urk urr uru ury uua uug uur uuu uyi uyu yaa yab yag yai yak yar yau yay ybg ybi ybr yby yga yig yii yir yka yki ykk yra yrg yru yua yug yui yuk yur yuu yuy yyb yyg yyu yyy