-ic bbb bbc bbd bbg bbi bbo bbs bcb bcc bcd bcg bci bco bcs bdb bdc bdd bdg bdi bdo bds bgb bgc bgd bgg bgi bgo bgs bi- bib bic bid big bii bio bis bob boc bod bog boi boo bos bsb bsc bsd bsg bsi bso bss c-- cbb cbc cbd cbg cbi cbo cbs ccb ccc ccd ccg cci cco ccs cdb cdc cdd cdg cdi cdo cds cgb cgc cgd cgg cgi cgo cgs ci- cib cic cid cig cii cio cis co- cob coc cod cog coi coo cos csb csc csd csg csi cso css dbb dbc dbd dbg dbi dbo dbs dcb dcc dcd dcg dci dco dcs ddb ddc ddd ddg ddi ddo dds dgc dgd dgg dgi dgs di- dib dic did dig dii dio dis dob doc dod dog doi doo dos dsb dsc dsd dsg dsi dso dss g-d gbc gbd gbg gbi gbo gbs gcb gcc gcd gcg gci gco gcs gdb gdc gdd gdi gdo gds ggb ggc ggd ggg ggi ggo ggs gib gic gid gig gii gio gis gob goc god gog goi goo gos gsb gsc gsd gsg gsi gso gss i-d ibb ibc ibd ibg ibi ibo ibs icb icc icd icg ici ico ics idb idc idd idg idi ido ids igb igc igd igg igi igo igs iib iic iid iii iio iis io- iob ioc iod iog ioi ioo ios is- isb isc isd isg isi iso iss o-i ob- obb obc obd obg obi obo obs oc- ocb occ ocd ocg oci oco ocs odb odc odd odg odi odo ods ogc ogd ogg ogi ogo ogs oib oic oid oii oio ois oo- oob ooc ood oog ooi ooo oos os- osb osc osd osg osi oso oss sbb sbc sbd sbg sbi sbo sbs scb scc scd scg sci sco scs sdb sdc sdd sdg sdi sdo sds sgb sgc sgd sgg sgi sgo sgs sib sic sid sig sii sio sis sob soc sod sog soi soo sos ss- ssb ssc ssd ssg ssi sso sss