b-u bbb bbd bbh bbi bbu bdb bdd bdh bdi bdu bhb bhd bhh bhi bhu bi- bib bid bih bii biu bub bud buh bui buu dbb dbd dbh dbi dbu ddb ddd ddh ddi ddu dh- dhb dhd dhh dhi dhu di- dib did dih dii diu dub dud duh dui h-i hbb hbd hbh hbi hbu hdb hdd hdh hdi hdu hhb hhd hhh hhi hhu hib hid hih hii hiu hub hud huh hui huu i-d ibb ibd ibh ibi ibu idb idd idh idi idu ihb ihd ihh ihi ihu iib iid iih iii iiu iu- iub iud iui ubb ubh ubi ubu udb udd udi udu uhb uhd uhh uhi uhu uib uid uii uiu uuu