-th b-u bbb bbh bbi bbn bbo bbs bbt bbu bhb bhh bhi bho bhs bht bhu bi- bib bih bii bin bio bis bit biu bnb bni bnn bno bns bnt bnu bob boh boi bon boo bos bot bou bsb bsh bsi bsn bso bss bst bsu btb bth bti btn bto bts btt btu bub buh bui bun buo bus but buu h-i hbb hbh hbi hbn hbo hbs hbt hbu hhb hhh hhi hhn hho hhs hht hhu hib hih hii hin hio his hit hiu hnb hnh hnn hno hns hnt hnu hob hoh hoi hon hoo hos hot hou hsb hsh hsi hsn hss hst hsu htb hth hti htn hto hts htt hub huh hui hun huo hus hut huu ibb ibh ibi ibn ibo ibs ibt ibu ihb ihh ihi ihn iho ihs iht ihu iib iih iii iin iio iis iit iiu in- inb inh ini inn ino ins int inu io- iob ioh ioi ion ioo ios iot iou is- isb ish isi isn iso iss ist isu itb ith iti itn ito its itt itu iu- iub iui ius iut n-i nbb nbi nbn nbo nbs nbt nbu nhb nhh nhi nhn nhs nht nhu nib nih nii nin nio nis nit niu nnb nnh nni nnn nno nns nnt nnu no- nob noh noi non noo nos not nou nsb nsh nsi nsn nso nss nst nsu ntb nth nti ntn nto nts ntt ntu nub nuh nui nun nuo nus nut nuu o-i ob- obb obh obi obn obo obs obt obu ohh ohi ohn oho ohs oht ohu oib oii oin oio ois oit oiu on- onb onh oni onn ono ons ont onu oo- oob ooh ooi oon ooo oos oot os- osb osh osi osn oso oss ost osu ot- otb oth oti otn oto ots ott otu ou- ouh oui oun ouo ous out sbb sbh sbi sbn sbo sbs sbt sbu sh- shb shh shi shn sho shs sht shu sib sih sii sin sio sis sit siu snb sni snn sno sns snt snu sob soh soi son soo sos sot sou ss- ssb ssh ssi ssn sso sss sst ssu stb sth sti stn sto sts stt stu sub suh sui sun suo sus sut suu tbb tbh tbi tbn tbo tbs tbt tbu th- thb thh thi thn tho ths tht thu tib tih tii tin tio tis tit tiu tnb tnh tni tnn tno tns tnt to- tob toh toi ton too tos tot tou tsb tsh tsi tsn tso tss tst tsu ttb tth tti ttn tto tts ttt ttu tub tuh tui tun tuo tus tut tuu ubb ubh ubi ubn ubo ubs ubt ubu uhb uhh uhi uho uhs uht uhu uib uii uin uio uis uit uiu un- unb unh uni unn uno uns unt unu uob uon uoo uos uot usb ush usi usn uso uss ust usu utb uth uti utn uto uts utt utu uun uus uut uuu