-ic bbb bbc bbd bbe bbh bbi bbo bbs bcb bcc bcd bce bch bci bco bcs bdb bdc bdd bde bdh bdi bdo bds be- beb bec bed bee beh bei beo bes bhb bhc bhd bhe bhh bhi bho bhs bi- bib bic bid bie bih bii bio bis bob boc bod boe boh boi boo bos bsb bsc bsd bse bsh bsi bso bss c-- cbb cbc cbd cbe cbh cbi cbo cbs ccb ccc ccd cce cch cci cco ccs cdb cdc cdd cde cdh cdi cdo cds ce- ceb cec ced cee ceh cei ceo ces ch- chb chc chd che chh chi cho chs ci- cib cic cid cie cih cii cio cis co- cob coc cod coe coh coi coo cos csb csc csd cse csh csi cso css dbb dbc dbd dbe dbh dbi dbo dbs dcb dcc dcd dce dci dco dcs ddb ddc ddd dde ddh ddi ddo dds de- deb dec ded dee deh dei deo des dh- dhb dhc dhd dhe dhh dhi dho dhs di- dib dic did die dih dii dio dis dob doc dod doe doh doi doo dos dsb dsc dsd dse dsh dsi dso dss ebb ebc ebd ebe ebh ebi ebo ebs ec- ecb ecc ecd ece ech eci eco ecs ed- edb edc edd ede edh edi edo eds eeb eec eed eee eeo ees ehb ehc ehd ehe ehh ehi eho ehs eib eic eid eie eii eio eis eo- eob eoc eod eoe eoh eoi eoo eos es- esb esc esd ese esh esi eso ess h-i hbb hbc hbd hbe hbh hbi hbo hbs hcb hcc hcd hce hch hci hco hcs hdb hdc hdd hde hdh hdi hdo hds he- heb hec hed hee heh hei heo hes hhb hhc hhd hhe hhh hhi hho hhs hib hic hid hie hih hii hio his hob hoc hod hoe hoh hoi hoo hos hsb hsc hsd hse hsh hsi hss i-d ibb ibc ibd ibe ibh ibi ibo ibs icb icc icd ice ich ici ico ics idb idc idd ide idh idi ido ids ie- iec ied iee iei ies ihb ihc ihd ihe ihh ihi iho ihs iib iic iid iie iih iii iio iis io- iob ioc iod ioe ioh ioi ioo ios is- isb isc isd ise ish isi iso iss o-i ob- obb obc obd obe obh obi obo obs oc- ocb occ ocd och oci oco ocs odb odc odd ode odh odi odo ods oeb oec oed oee oeh oei oeo oes ohc ohd ohe ohh ohi oho ohs oib oic oid oie oii oio ois oo- oob ooc ood ooh ooi ooo oos os- osb osc osd ose osh osi oso oss sbb sbc sbd sbe sbh sbi sbo sbs scb scc scd sce sch sci sco scs sdb sdc sdd sde sdh sdi sdo sds se- seb sec sed see seh sei seo ses sh- shb shc shd she shh shi sho shs sib sic sid sie sih sii sio sis sob soc sod soe soh soi soo sos ss- ssb ssc ssd sse ssh ssi sso sss