b-u bbb bbh bbi bbk bbu bhb bhh bhi bhk bhu bhv bi- bib bih bii bik biu biv bkb bkk bkv bub buh bui buk buu bvb bvh bvi bvk bvu bvv h-i hbb hbh hbi hbk hbu hbv hhb hhh hhi hhk hhu hhv hib hih hii hik hiu hiv hkb hkh hki hkk hku hub huh hui huk huu huv hv- hvb hvk hvv i-v ibb ibh ibi ibk ibu ibv ihb ihh ihi ihk ihu ihv iib iih iii iiu ikb iki ikk iku ikv iu- iub iui ivb ivi ivu ivv kbb kbh kbi kbk kbu khh khi khk khu khv kib kih kii kik kiu kiv kkb kkh kki kkk kku kkv kub kuh kui kuk kuu kvb kvh kvi kvk kvv ubb ubh ubi ubk ubu ubv uhb uhh uhi uhu uhv uib uii uiu ukb uki ukk uku uuu uvb uvu uvv vbh vbi vbk vbv vh- vhb vhi vi- vib vii vik viu viv vkb vuk vuv vvb vvi vvv