b-u bbb bbi bbk bbn bbo bbu bbw bby bi- bib bii bik bin bio biu biw biy bkb bkk bkn bko bkw bnb bni bnk bnn bno bnu bnw bob boi bok bon boo bou bow boy bub bui buk bun buo buu buw buy bwb bwi bwk bwo bwu bwy by- byi byk byn byo byu ibb ibi ibk ibn ibo ibu ibw iby iib iii iin iio iiu iiw ikb iki ikk iko iku in- inb ini ink inn ino inu iny io- iob ioi ion ioo iou iow iu- iub iui iwb iwi iwk iwo iwu iww iyo iyy kbb kbi kbk kbn kbo kbu kbw kib kii kik kin kio kiu kkb kki kkk kkn kku kky kn- kni knk knn kno knu kob koi kok kon koo kou kow koy kub kui kuk kun kuu kuy kw- kwi kwk kwo kww kyn kyo kyu kyw n-i nbb nbi nbk nbn nbo nbu nbw nib nii nik nin nio niu nki nkk nkn nko nku nky nnb nni nnk nnn nno nnu nnw no- nob noi nok non noo nou now noy nub nui nuk nun nuo nuu nuy nwb nwi nwn nwo nwu nyk nyn nyo nyu nyy o-i ob- obb obi obk obn obo obu obw oby oib oii oik oin oio oiu okb oki okk oko oku okw on- onb oni onk onn ono onu ony oo- oob ooi ook oon ooo oow ou- oui ouk oun ouo owb owi owk own owo owu oww oyi oyo ubb ubi ubk ubn ubo ubu ubw uby uib uii uin uio uiu ukb uki ukk ukn uku un- unb uni unk unn uno unu unw uny uob uok uon uoo uow uun uuu uwb uwn uww uyi uyo uyu wbb wbi wbn wbo wbw wib wii wik win wiu wkb wko wkw wky wn- wnn wno wnu wnw wny wob woi wok won woo wou wow woy wub wun wuo wwi wwn wwo wwu www wy- wyk wyn wyo ybi yby yii yin yio yki ykk ykn ynk ynn ynu yny yob yoi yok yon yoo you yow yoy yui yuk yun yuo yuu yuy yyb yyu yyy