b-u bbb bbd bbh bbi bbk bbn bbu bdb bdd bdh bdi bdk bdu bhb bhd bhh bhi bhk bhu bi- bib bid bih bii bik bin biu bkb bkk bkn bnb bnd bni bnk bnn bnu bub bud buh bui buk bun buu dbb dbd dbh dbi dbk dbn dbu ddb ddd ddh ddi ddk ddn ddu dh- dhb dhd dhh dhi dhk dhu di- dib did dih dii dik din diu dkb dki dkk dku dnb dnd dnh dni dnk dnn dub dud duh dui duk dun h-i hbb hbd hbh hbi hbk hbn hbu hdb hdd hdh hdi hdk hdn hdu hhb hhd hhh hhi hhk hhn hhu hib hid hih hii hik hin hiu hkb hkd hkh hki hkk hkn hku hnb hnd hnh hnk hnn hnu hub hud huh hui huk hun huu i-d ibb ibd ibh ibi ibk ibn ibu idb idd idh idi idk idn idu ihb ihd ihh ihi ihk ihn ihu iib iid iih iii iin iiu ikb iki ikk iku in- inb ind inh ini ink inn inu iu- iub iud iui kbb kbd kbh kbi kbk kbn kbu kdb kdh kdk kdu khh khi khk khn khu kib kid kih kii kik kin kiu kkb kkh kki kkk kkn kku kn- knd kni knk knn knu kub kud kuh kui kuk kun kuu n-i nbb nbd nbi nbk nbn nbu ndb ndd ndh ndi ndk ndn ndu nhb nhd nhh nhi nhk nhn nhu nib nid nih nii nik nin niu nki nkk nkn nku nnb nnh nni nnk nnn nnu nub nud nuh nui nuk nun nuu ubb ubh ubi ubk ubn ubu udb udd udi udk udn udu uhb uhd uhh uhi uhu uib uid uii uin uiu ukb uki ukk ukn uku un- unb und unh uni unk unn unu uun uuu