-ic -th bbb bbc bbd bbh bbi bbo bbs bbt bcb bcc bcd bch bci bco bcs bct bdb bdc bdd bdh bdi bdo bds bdt bhb bhc bhd bhh bhi bho bhs bht bi- bib bic bid bih bii bio bis bit bob boc bod boh boi boo bos bot bsb bsc bsd bsh bsi bso bss bst btb btc btd bth bti bto bts btt c-- cbb cbc cbd cbh cbi cbo cbs cbt ccb ccc ccd cch cci cco ccs cct cdb cdc cdd cdh cdi cdo cds cdt ch- chb chc chd chh chi cho chs cht ci- cib cic cid cih cii cio cis cit co- cob coc cod coh coi coo cos cot csb csc csd csh csi cso css cst ctb ctc ctd cth cti cto cts ctt dbb dbc dbd dbh dbi dbo dbs dbt dcb dcc dcd dci dco dcs dct ddb ddc ddd ddh ddi ddo dds ddt dh- dhb dhc dhd dhh dhi dho dhs dht di- dib dic did dih dii dio dis dit dob doc dod doh doi doo dos dot dsb dsc dsd dsh dsi dso dss dst dtb dtc dtd dth dti dto dts dtt h-i hbb hbc hbd hbh hbi hbo hbs hbt hcb hcc hcd hch hci hco hcs hct hdb hdc hdd hdh hdi hdo hds hdt hhb hhc hhd hhh hhi hho hhs hht hib hic hid hih hii hio his hit hob hoc hod hoh hoi hoo hos hot hsb hsc hsd hsh hsi hss hst htb htc htd hth hti hto hts htt i-d ibb ibc ibd ibh ibi ibo ibs ibt icb icc icd ich ici ico ics ict idb idc idd idh idi ido ids idt ihb ihc ihd ihh ihi iho ihs iht iib iic iid iih iii iio iis iit io- iob ioc iod ioh ioi ioo ios iot is- isb isc isd ish isi iso iss ist itb itc itd ith iti ito its itt o-i ob- obb obc obd obh obi obo obs obt oc- ocb occ ocd och oci oco ocs oct odb odc odd odh odi odo ods odt ohc ohd ohh ohi oho ohs oht oib oic oid oii oio ois oit oo- oob ooc ood ooh ooi ooo oos oot os- osb osc osd osh osi oso oss ost ot- otb otc otd oth oti oto ots ott sbb sbc sbd sbh sbi sbo sbs sbt scb scc scd sch sci sco scs sct sdb sdc sdd sdh sdi sdo sds sdt sh- shb shc shd shh shi sho shs sht sib sic sid sih sii sio sis sit sob soc sod soh soi soo sos sot ss- ssb ssc ssd ssh ssi sso sss sst stb stc std sth sti sto sts stt tbb tbc tbd tbh tbi tbo tbs tbt tcb tcc tcd tch tci tco tcs tct tdb tdc tdd tdh tdi tdo tds tdt th- thb thc thd thh thi tho ths tht tib tic tid tih tii tio tis tit to- tob toc tod toh toi too tos tot tsb tsc tsd tsh tsi tso tss tst ttb ttc ttd tth tti tto tts ttt