-ic b-u bbb bbc bbh bbi bbn bbo bbs bbu bcb bcc bch bci bcn bco bcs bcu bhb bhc bhh bhi bho bhs bhu bi- bib bic bih bii bin bio bis biu bnb bnc bni bnn bno bns bnu bob boc boh boi bon boo bos bou bsb bsc bsh bsi bsn bso bss bsu bub buc buh bui bun buo bus buu c-- cbb cbc cbh cbi cbn cbo cbs cbu ccb ccc cch cci ccn cco ccs ccu ch- chb chc chh chi chn cho chs chu ci- cib cic cih cii cin cio cis ciu cn- cnb cnc cnh cni cnn cno cns cnu co- cob coc coh coi con coo cos cou csb csc csh csi csn cso css csu cub cuc cuh cui cun cuo cus cuu h-i hbb hbc hbh hbi hbn hbo hbs hbu hcb hcc hch hci hcn hco hcs hhb hhc hhh hhi hhn hho hhs hhu hib hic hih hii hin hio his hiu hnb hnc hnh hnn hno hns hnu hob hoc hoh hoi hon hoo hos hou hsb hsc hsh hsi hsn hss hsu hub huc huh hui hun huo hus huu ibb ibc ibh ibi ibn ibo ibs ibu icb icc ich ici icn ico ics icu ihb ihc ihh ihi ihn iho ihs ihu iib iic iih iii iin iio iis iiu in- inb inc inh ini inn ino ins inu io- iob ioc ioh ioi ion ioo ios iou is- isb isc ish isi isn iso iss isu iu- iub iuc iui ius n-i nbb nbc nbi nbn nbo nbs nbu ncb ncc nch nci ncn nco ncs ncu nhb nhc nhh nhi nhn nhs nhu nib nic nih nii nin nio nis niu nnb nnc nnh nni nnn nno nns nnu no- nob noc noh noi non noo nos nou nsb nsc nsh nsi nsn nso nss nsu nub nuc nuh nui nun nuo nus nuu o-i ob- obb obc obh obi obn obo obs obu oc- ocb occ och oci ocn oco ocs ocu ohc ohh ohi ohn oho ohs ohu oib oic oii oin oio ois oiu on- onb onc onh oni onn ono ons onu oo- oob ooc ooh ooi oon ooo oos os- osb osc osh osi osn oso oss osu ou- ouc ouh oui oun ouo ous sbb sbc sbh sbi sbn sbo sbs sbu scb scc sch sci scn sco scs scu sh- shb shc shh shi shn sho shs shu sib sic sih sii sin sio sis siu snb snc sni snn sno sns snu sob soc soh soi son soo sos sou ss- ssb ssc ssh ssi ssn sso sss ssu sub suc suh sui sun suo sus suu ubb ubc ubh ubi ubn ubo ubs ubu ucb ucc uch uci ucn uco ucs ucu uhb uhc uhh uhi uho uhs uhu uib uic uii uin uio uis uiu un- unb unc unh uni unn uno uns unu uob uoc uon uoo uos usb usc ush usi usn uso uss usu uuc uun uus uuu