-ic b-u bbb bbc bbi bbm bbn bbo bbr bbs bbu bcb bcc bci bcm bcn bco bcr bcs bcu bi- bib bic bii bim bin bio bir bis biu bmb bmc bmi bmm bmn bmo bmr bms bmu bnb bnc bni bnn bno bnr bns bnu bob boc boi bom bon boo bor bos bou brb bri brm brn bro brr brs bru bsb bsc bsi bsm bsn bso bsr bss bsu bub buc bui bum bun buo bur bus buu c-- cbb cbc cbi cbm cbn cbo cbr cbs cbu ccb ccc cci ccm ccn cco ccr ccs ccu ci- cib cic cii cim cin cio cir cis ciu cmb cmc cmi cmm cmn cmo cmr cms cmu cn- cnb cnc cni cnm cnn cno cnr cns cnu co- cob coc coi com con coo cor cos cou crb crc cri crm crn cro crr crs cru csb csc csi csm csn cso csr css csu cub cuc cui cum cun cuo cur cus cuu ibb ibc ibi ibm ibn ibo ibr ibs ibu icb icc ici icm icn ico icr ics icu iib iic iii iim iin iio iir iis iiu im- imb imc imi imm imn imo ims imu in- inb inc ini inm inn ino inr ins inu io- iob ioc ioi iom ion ioo ior ios iou ir- irb irc iri irm irn iro irr irs iru is- isb isc isi ism isn iso isr iss isu iu- iub iuc iui ium iur ius m-o m-r mbb mbc mbi mbm mbo mbr mbs mbu mc- mcb mcc mci mcm mcn mco mcr mcs mcu mi- mib mic mii mim min mio mir mis miu mmb mmc mmi mmm mmn mmo mmr mms mmu mnb mnc mni mnm mnn mno mnr mns mnu mob moc moi mom mon moo mor mos mou mrb mrc mri mrm mrn mro mrr mrs mru msb msc msi msm msn mso msr mss msu mub muc mui mum mun mur mus muu n-i nbb nbc nbi nbm nbn nbo nbr nbs nbu ncb ncc nci ncm ncn nco ncr ncs ncu nib nic nii nim nin nio nir nis niu nmb nmc nmi nmm nmn nmo nmr nms nmu nnb nnc nni nnm nnn nno nns nnu no- nob noc noi nom non noo nor nos nou nrb nrc nri nrm nrn nro nrr nrs nru nsb nsc nsi nsm nsn nso nsr nss nsu nub nuc nui num nun nuo nur nus nuu o-i ob- obb obc obi obm obn obo obr obs obu oc- ocb occ oci ocm ocn oco ocr ocs ocu oib oic oii oim oin oio oir ois oiu om- omb omc omi omm omn omo omr oms omu on- onb onc oni onn ono onr ons onu oo- oob ooc ooi oom oon ooo oor oos or- orb orc ori orm orn oro orr ors oru os- osb osc osi osm osn oso osr oss osu ou- ouc oui oum oun ouo our ous rbb rbc rbi rbm rbn rbo rbr rbs rbu rcb rcc rci rcm rcn rco rcr rcs rcu rib ric rii rim rin rio rir ris rmb rmc rmi rmm rmn rmo rmr rms rnb rnc rni rnm rnn rno rnr rns rnu rob roc roi rom ron roo ror ros rou rrb rrc rri rrm rrn rrr rrs rru rsb rsc rsi rsm rsn rso rsr rss rsu rub ruc rui rum run ruo rur rus ruu sbb sbc sbi sbm sbn sbo sbr sbs sbu scb scc sci scm scn sco scr scs scu sib sic sii sim sin sio sir sis siu smb smc smi smm smn smo smr sms smu snb snc sni snm snn sno snr sns snu sob soc soi som son soo sor sos sou sr- srb src sri srm srn sro srr srs ss- ssb ssc ssi ssm ssn sso ssr sss ssu sub suc sui sum sun suo sur sus suu ubb ubc ubi ubn ubo ubr ubs ubu ucb ucc uci ucm ucn uco ucr ucs ucu uib uic uii uim uin uio uir uis uiu um- umb umc umi umm umn umo umr ums umu un- unb unc uni unm unn uno unr uns unu uob uoc uom uon uoo uor uos ur- urb urc uri urm urn uro urr urs uru usb usc usi usm usn uso usr uss usu uuc uum uun uur uus uuu