-ic bbb bbc bbd bbe bbg bbi bbo bbs bcb bcc bcd bce bcg bci bco bcs bdb bdc bdd bde bdg bdi bdo bds be- beb bec bed bee beg bei beo bes bgb bgc bgd bge bgg bgi bgo bgs bi- bib bic bid bie big bii bio bis bob boc bod boe bog boi boo bos bsb bsc bsd bse bsg bsi bso bss c-- cbb cbc cbd cbe cbg cbi cbo cbs ccb ccc ccd cce ccg cci cco ccs cdb cdc cdd cde cdg cdi cdo cds ce- ceb cec ced cee ceg cei ceo ces cgb cgc cgd cge cgg cgi cgo cgs ci- cib cic cid cie cig cii cio cis co- cob coc cod coe cog coi coo cos csb csc csd cse csg csi cso css dbb dbc dbd dbe dbg dbi dbo dbs dcb dcc dcd dce dcg dci dco dcs ddb ddc ddd dde ddg ddi ddo dds de- deb dec ded dee deg dei deo des dgc dgd dge dgg dgi dgs di- dib dic did die dig dii dio dis dob doc dod doe dog doi doo dos dsb dsc dsd dse dsg dsi dso dss ebb ebc ebd ebe ebg ebi ebo ebs ec- ecb ecc ecd ece ecg eci eco ecs ed- edb edc edd ede edg edi edo eds eeb eec eed eee eeg eeo ees egb egc egd ege egg egi ego egs eib eic eid eie eig eii eio eis eo- eob eoc eod eoe eog eoi eoo eos es- esb esc esd ese esg esi eso ess g-d gbc gbd gbe gbg gbi gbo gbs gcb gcc gcd gce gcg gci gco gcs gdb gdc gdd gde gdi gdo gds ge- geb gec ged gee geg gei geo ges ggb ggc ggd ggg ggi ggo ggs gib gic gid gie gig gii gio gis gob goc god goe gog goi goo gos gsb gsc gsd gse gsg gsi gso gss i-d ibb ibc ibd ibe ibg ibi ibo ibs icb icc icd ice icg ici ico ics idb idc idd ide idg idi ido ids ie- iec ied iee ieg iei ies igb igc igd ige igg igi igo igs iib iic iid iie iii iio iis io- iob ioc iod ioe iog ioi ioo ios is- isb isc isd ise isg isi iso iss o-i ob- obb obc obd obe obg obi obo obs oc- ocb occ ocd ocg oci oco ocs odb odc odd ode odg odi odo ods oeb oec oed oee oeg oei oeo oes ogc ogd oge ogg ogi ogo ogs oib oic oid oie oii oio ois oo- oob ooc ood oog ooi ooo oos os- osb osc osd ose osg osi oso oss sbb sbc sbd sbe sbg sbi sbo sbs scb scc scd sce scg sci sco scs sdb sdc sdd sde sdg sdi sdo sds se- seb sec sed see seg sei seo ses sgb sgc sgd sge sgg sgi sgo sgs sib sic sid sie sig sii sio sis sob soc sod soe sog soi soo sos ss- ssb ssc ssd sse ssg ssi sso sss