-ic bbb bbc bbd bbg bbi bbn bbo bbs bcb bcc bcd bcg bci bcn bco bcs bdb bdc bdd bdg bdi bdo bds bgb bgc bgd bgg bgi bgn bgo bgs bi- bib bic bid big bii bin bio bis bnb bnc bnd bng bni bnn bno bns bob boc bod bog boi bon boo bos bsb bsc bsd bsg bsi bsn bso bss c-- cbb cbc cbd cbg cbi cbn cbo cbs ccb ccc ccd ccg cci ccn cco ccs cdb cdc cdd cdg cdi cdn cdo cds cgb cgc cgd cgg cgi cgn cgo cgs ci- cib cic cid cig cii cin cio cis cn- cnb cnc cnd cng cni cnn cno cns co- cob coc cod cog coi con coo cos csb csc csd csg csi csn cso css dbb dbc dbd dbg dbi dbn dbo dbs dcb dcc dcd dcg dci dcn dco dcs ddb ddc ddd ddg ddi ddn ddo dds dgc dgd dgg dgi dgn dgs di- dib dic did dig dii din dio dis dnb dnc dnd dng dni dnn dno dns dob doc dod dog doi don doo dos dsb dsc dsd dsg dsi dsn dso dss g-d gbc gbd gbg gbi gbn gbo gbs gcb gcc gcd gcg gci gcn gco gcs gdb gdc gdd gdi gdn gdo gds ggb ggc ggd ggg ggi ggn ggo ggs gib gic gid gig gii gin gio gis gnb gnc gnd gni gnn gno gns gob goc god gog goi gon goo gos gsb gsc gsd gsg gsi gsn gso gss i-d ibb ibc ibd ibg ibi ibn ibo ibs icb icc icd icg ici icn ico ics idb idc idd idg idi idn ido ids igb igc igd igg igi ign igo igs iib iic iid iii iin iio iis in- inb inc ind ing ini inn ino ins io- iob ioc iod iog ioi ion ioo ios is- isb isc isd isg isi isn iso iss n-i nbb nbc nbd nbg nbi nbn nbo nbs ncb ncc ncd ncg nci ncn nco ncs ndb ndc ndd ndg ndi ndn ndo nds ngb ngc ngd ngg ngi ngn ngo ngs nib nic nid nig nii nin nio nis nnb nnc nng nni nnn nno nns no- nob noc nod nog noi non noo nos nsb nsc nsd nsg nsi nsn nso nss o-i ob- obb obc obd obg obi obn obo obs oc- ocb occ ocd ocg oci ocn oco ocs odb odc odd odg odi odn odo ods ogc ogd ogg ogi ogn ogo ogs oib oic oid oii oin oio ois on- onb onc ond ong oni onn ono ons oo- oob ooc ood oog ooi oon ooo oos os- osb osc osd osg osi osn oso oss sbb sbc sbd sbg sbi sbn sbo sbs scb scc scd scg sci scn sco scs sdb sdc sdd sdg sdi sdn sdo sds sgb sgc sgd sgg sgi sgn sgo sgs sib sic sid sig sii sin sio sis snb snc snd sng sni snn sno sns sob soc sod sog soi son soo sos ss- ssb ssc ssd ssg ssi ssn sso sss