b-u bbb bbf bbh bbi bbk bbl bbu bfb bff bfh bfi bfl bfu bhb bhf bhh bhi bhk bhl bhu bi- bib bif bih bii bik bil biu bkb bkf bkk bkl blb blf blh bli blk bll blu bub buf buh bui buk bul buu fbb fbf fbh fbi fbk fbl fbu fff ffh ffi ffk ffl ffu fhb fhf fhh fhi fhl fib fif fih fii fik fil fiu fkb fkf fki fkk fkl flb flf fli fll flu fub fuf fui fuk ful fuu h-i hbb hbf hbh hbi hbk hbl hbu hfb hff hfh hfi hfk hfl hfu hhb hhf hhh hhi hhk hhl hhu hib hif hih hii hik hil hiu hkb hkf hkh hki hkk hkl hku hlb hlf hlh hli hll hlu hub huf huh hui huk hul huu i-f ibb ibf ibh ibi ibk ibl ibu ifb iff ifi ifl ifu ihb ihf ihh ihi ihk ihl ihu iib iif iih iii iil iiu ikb ikf iki ikk ikl iku il- ilb ilf ilh ili ilk ill ilu iu- iub iui kbb kbf kbh kbi kbk kbl kbu kff kfh kfi kfu khf khh khi khk khu kib kif kih kii kik kil kiu kkb kkh kki kkk kkl kku kl- klb klf klh kli klu kub kuh kui kuk kul kuu lbb lbf lbh lbi lbk lbl lbu lfb lff lfh lfi lfk lfl lfu lhb lhf lhh lhi lhk lhu lib lif lih lii lik lil liu lkb lkh lkl llb llf lli llk lll llu lub luf luh lui luk lul luu ubb ubf ubh ubi ubk ubl ubu uff ufh ufi ufl ufu uhb uhf uhh uhi uhl uhu uib uif uii uil uiu ukb ukf uki ukk ukl uku ulb ulf uli ulk ull ulu uuu