-ic bbb bbc bbh bbi bbm bbn bbo bbr bbs bcb bcc bch bci bcm bcn bco bcr bcs bhb bhc bhh bhi bhm bho bhr bhs bi- bib bic bih bii bim bin bio bir bis bmb bmc bmh bmi bmm bmn bmo bmr bms bnb bnc bni bnn bno bnr bns bob boc boh boi bom bon boo bor bos brb brh bri brm brn bro brr brs bsb bsc bsh bsi bsm bsn bso bsr bss c-- cbb cbc cbh cbi cbm cbn cbo cbr cbs ccb ccc cch cci ccm ccn cco ccr ccs ch- chb chc chh chi chm chn cho chr chs ci- cib cic cih cii cim cin cio cir cis cmb cmc cmh cmi cmm cmn cmo cmr cms cn- cnb cnc cnh cni cnm cnn cno cnr cns co- cob coc coh coi com con coo cor cos crb crc crh cri crm crn cro crr crs csb csc csh csi csm csn cso csr css h-i hbb hbc hbh hbi hbm hbn hbo hbr hbs hcb hcc hch hci hcm hcn hco hcr hcs hhb hhc hhh hhi hhm hhn hho hhr hhs hib hic hih hii him hin hio hir his hmb hmc hmh hmi hmm hmo hmr hms hnb hnc hnh hnn hno hns hob hoc hoh hoi hom hon hoo hor hos hr- hrb hrc hrh hri hrm hrn hro hrr hrs hsb hsc hsh hsi hsm hsn hsr hss ibb ibc ibh ibi ibm ibn ibo ibr ibs icb icc ich ici icm icn ico icr ics ihb ihc ihh ihi ihm ihn iho ihr ihs iib iic iih iii iim iin iio iir iis im- imb imc imh imi imm imn imo ims in- inb inc inh ini inm inn ino inr ins io- iob ioc ioh ioi iom ion ioo ior ios ir- irb irc iri irm irn iro irr irs is- isb isc ish isi ism isn iso isr iss m-o m-r mbb mbc mbh mbi mbm mbo mbr mbs mc- mcb mcc mch mci mcm mcn mco mcr mcs mhc mhh mhi mhm mhn mho mhr mhs mi- mib mic mih mii mim min mio mir mis mmb mmc mmh mmi mmm mmn mmo mmr mms mnb mnc mni mnm mnn mno mnr mns mob moc moh moi mom mon moo mor mos mrb mrc mrh mri mrm mrn mro mrr mrs msb msc msh msi msm msn mso msr mss n-i nbb nbc nbi nbm nbn nbo nbr nbs ncb ncc nch nci ncm ncn nco ncr ncs nhb nhc nhh nhi nhm nhn nhr nhs nib nic nih nii nim nin nio nir nis nmb nmc nmh nmi nmm nmn nmo nmr nms nnb nnc nnh nni nnm nnn nno nns no- nob noc noh noi nom non noo nor nos nrb nrc nri nrm nrn nro nrr nrs nsb nsc nsh nsi nsm nsn nso nsr nss o-i ob- obb obc obh obi obm obn obo obr obs oc- ocb occ och oci ocm ocn oco ocr ocs ohc ohh ohi ohm ohn oho ohr ohs oib oic oii oim oin oio oir ois om- omb omc omh omi omm omn omo omr oms on- onb onc onh oni onn ono onr ons oo- oob ooc ooh ooi oom oon ooo oor oos or- orb orc orh ori orm orn oro orr ors os- osb osc osh osi osm osn oso osr oss rbb rbc rbh rbi rbm rbn rbo rbr rbs rcb rcc rch rci rcm rcn rco rcr rcs rh- rhb rhc rhh rhi rhm rhn rho rhr rhs rib ric rih rii rim rin rio rir ris rmb rmc rmh rmi rmm rmn rmo rmr rms rnb rnc rnh rni rnm rnn rno rnr rns rob roc roh roi rom ron roo ror ros rrb rrc rrh rri rrm rrn rrr rrs rsb rsc rsh rsi rsm rsn rso rsr rss sbb sbc sbh sbi sbm sbn sbo sbr sbs scb scc sch sci scm scn sco scr scs sh- shb shc shh shi shm shn sho shr shs sib sic sih sii sim sin sio sir sis smb smc smh smi smm smn smo smr sms snb snc sni snm snn sno snr sns sob soc soh soi som son soo sor sos sr- srb src srh sri srm srn sro srr srs ss- ssb ssc ssh ssi ssm ssn sso ssr sss