-ic b-u bbb bbc bbi bbm bbn bbo bbs bbu bcb bcc bci bcm bcn bco bcs bcu bi- bib bic bii bim bin bio bis biu bmb bmc bmi bmm bmn bmo bms bmu bnb bnc bni bnn bno bns bnu bob boc boi bom bon boo bos bou bsb bsc bsi bsm bsn bso bss bsu bub buc bui bum bun buo bus buu c-- cbb cbc cbi cbm cbn cbo cbs cbu ccb ccc cci ccm ccn cco ccs ccu ci- cib cic cii cim cin cio cis ciu cmb cmc cmi cmm cmn cmo cms cmu cn- cnb cnc cni cnm cnn cno cns cnu co- cob coc coi com con coo cos cou csb csc csi csm csn cso css csu cub cuc cui cum cun cuo cus cuu ibb ibc ibi ibm ibn ibo ibs ibu icb icc ici icm icn ico ics icu iib iic iii iim iin iio iis iiu im- imb imc imi imm imn imo ims imu in- inb inc ini inm inn ino ins inu io- iob ioc ioi iom ion ioo ios iou is- isb isc isi ism isn iso iss isu iu- iub iuc iui ium ius m-o mbb mbc mbi mbm mbo mbs mbu mc- mcb mcc mci mcm mcn mco mcs mcu mi- mib mic mii mim min mio mis miu mmb mmc mmi mmm mmn mmo mms mmu mnb mnc mni mnm mnn mno mns mnu mob moc moi mom mon moo mos mou msb msc msi msm msn mso mss msu mub muc mui mum mun mus muu n-i nbb nbc nbi nbm nbn nbo nbs nbu ncb ncc nci ncm ncn nco ncs ncu nib nic nii nim nin nio nis niu nmb nmc nmi nmm nmn nmo nms nmu nnb nnc nni nnm nnn nno nns nnu no- nob noc noi nom non noo nos nou nsb nsc nsi nsm nsn nso nss nsu nub nuc nui num nun nuo nus nuu o-i ob- obb obc obi obm obn obo obs obu oc- ocb occ oci ocm ocn oco ocs ocu oib oic oii oim oin oio ois oiu om- omb omc omi omm omn omo oms omu on- onb onc oni onn ono ons onu oo- oob ooc ooi oom oon ooo oos os- osb osc osi osm osn oso oss osu ou- ouc oui oum oun ouo ous sbb sbc sbi sbm sbn sbo sbs sbu scb scc sci scm scn sco scs scu sib sic sii sim sin sio sis siu smb smc smi smm smn smo sms smu snb snc sni snm snn sno sns snu sob soc soi som son soo sos sou ss- ssb ssc ssi ssm ssn sso sss ssu sub suc sui sum sun suo sus suu ubb ubc ubi ubn ubo ubs ubu ucb ucc uci ucm ucn uco ucs ucu uib uic uii uim uin uio uis uiu um- umb umc umi umm umn umo ums umu un- unb unc uni unm unn uno uns unu uob uoc uom uon uoo uos usb usc usi usm usn uso uss usu uuc uum uun uus uuu