b-u bbb bbi bbn bbo bbq bbs bbu bi- bib bii bin bio bis biu bnb bni bnn bno bns bnu bob boi bon boo boq bos bou bsb bsi bsn bso bss bsu bub bui bun buo bus buu ibb ibi ibn ibo ibs ibu iib iii iin iio iis iiu in- inb ini inn ino inq ins inu io- iob ioi ion ioo ios iou iqs iqu is- isb isi isn iso isq iss isu iu- iub iui ius n-i nbb nbi nbn nbo nbs nbu nib nii nin nio niq nis niu nnb nni nnn nno nns nnu no- nob noi non noo nos nou nqs nsb nsi nsn nso nss nsu nub nui nun nuo nuq nus nuu o-i ob- obb obi obn obo obs obu oib oii oin oio ois oiu on- onb oni onn ono ons onu oo- oob ooi oon ooo oos oqb oqo os- osb osi osn oso osq oss osu ou- oui oun ouo ous qbq qbs qin qio qis qiu qnb qni qns qoi qoo qos qqq qqu qsi qso qu- qui quo qus sbb sbi sbn sbo sbq sbs sbu sib sii sin sio siq sis siu snb sni snn sno sns snu sob soi son soo soq sos sou sqi sqn sqq sqs ss- ssb ssi ssn sso ssq sss ssu sub sui sun suo suq sus suu ubb ubi ubn ubo ubs ubu uib uii uin uio uiq uis uiu un- unb uni unn uno unq uns unu uob uon uoo uos usb usi usn uso uss usu uun uus uuu