-ic bbb bbc bbg bbi bbm bbn bbo bbs bcb bcc bcg bci bcm bcn bco bcs bgb bgc bgg bgi bgm bgn bgo bgs bi- bib bic big bii bim bin bio bis bmb bmc bmg bmi bmm bmn bmo bms bnb bnc bng bni bnn bno bns bob boc bog boi bom bon boo bos bsb bsc bsg bsi bsm bsn bso bss c-- cbb cbc cbg cbi cbm cbn cbo cbs ccb ccc ccg cci ccm ccn cco ccs cgb cgc cgg cgi cgm cgn cgo cgs ci- cib cic cig cii cim cin cio cis cmb cmc cmg cmi cmm cmn cmo cms cn- cnb cnc cng cni cnm cnn cno cns co- cob coc cog coi com con coo cos csb csc csg csi csm csn cso css gbc gbg gbi gbm gbn gbo gbs gcb gcc gcg gci gcm gcn gco gcs ggb ggc ggg ggi ggm ggn ggo ggs gib gic gig gii gim gin gio gis gmb gmc gmg gmi gmm gmn gmo gms gnb gnc gni gnm gnn gno gns gob goc gog goi gom gon goo gos gsb gsc gsg gsi gsm gsn gso gss ibb ibc ibg ibi ibm ibn ibo ibs icb icc icg ici icm icn ico ics igb igc igg igi igm ign igo igs iib iic iii iim iin iio iis im- imb imc img imi imm imn imo ims in- inb inc ing ini inm inn ino ins io- iob ioc iog ioi iom ion ioo ios is- isb isc isg isi ism isn iso iss m-o mbb mbc mbg mbi mbm mbo mbs mc- mcb mcc mcg mci mcm mcn mco mcs mgb mgc mgi mgm mgn mgo mgs mi- mib mic mig mii mim min mio mis mmb mmc mmg mmi mmm mmn mmo mms mnb mnc mng mni mnm mnn mno mns mob moc mog moi mom mon moo mos msb msc msg msi msm msn mso mss n-i nbb nbc nbg nbi nbm nbn nbo nbs ncb ncc ncg nci ncm ncn nco ncs ngb ngc ngg ngi ngm ngn ngo ngs nib nic nig nii nim nin nio nis nmb nmc nmg nmi nmm nmn nmo nms nnb nnc nng nni nnm nnn nno nns no- nob noc nog noi nom non noo nos nsb nsc nsg nsi nsm nsn nso nss o-i ob- obb obc obg obi obm obn obo obs oc- ocb occ ocg oci ocm ocn oco ocs ogc ogg ogi ogn ogo ogs oib oic oii oim oin oio ois om- omb omc omg omi omm omn omo oms on- onb onc ong oni onn ono ons oo- oob ooc oog ooi oom oon ooo oos os- osb osc osg osi osm osn oso oss sbb sbc sbg sbi sbm sbn sbo sbs scb scc scg sci scm scn sco scs sgb sgc sgg sgi sgm sgn sgo sgs sib sic sig sii sim sin sio sis smb smc smg smi smm smn smo sms snb snc sng sni snm snn sno sns sob soc sog soi som son soo sos ss- ssb ssc ssg ssi ssm ssn sso sss