-ic -th bbb bbc bbe bbh bbi bbo bbs bbt bcb bcc bce bch bci bco bcs bct be- beb bec bee beh bei beo bes bet bhb bhc bhe bhh bhi bho bhs bht bi- bib bic bie bih bii bio bis bit bob boc boe boh boi boo bos bot bsb bsc bse bsh bsi bso bss bst btb btc bte bth bti bto bts btt c-- cbb cbc cbe cbh cbi cbo cbs cbt ccb ccc cce cch cci cco ccs cct ce- ceb cec cee ceh cei ceo ces cet ch- chb chc che chh chi cho chs cht ci- cib cic cie cih cii cio cis cit co- cob coc coe coh coi coo cos cot csb csc cse csh csi cso css cst ctb ctc cte cth cti cto cts ctt ebb ebc ebe ebh ebi ebo ebs ebt ec- ecb ecc ece ech eci eco ecs ect eeb eec eee eeo ees eet ehb ehc ehe ehh ehi eho ehs eht eib eic eie eii eio eis eit eo- eob eoc eoe eoh eoi eoo eos eot es- esb esc ese esh esi eso ess est etb etc ete eth eti eto ets ett h-i hbb hbc hbe hbh hbi hbo hbs hbt hcb hcc hce hch hci hco hcs hct he- heb hec hee heh hei heo hes het hhb hhc hhe hhh hhi hho hhs hht hib hic hie hih hii hio his hit hob hoc hoe hoh hoi hoo hos hot hsb hsc hse hsh hsi hss hst htb htc hte hth hti hto hts htt ibb ibc ibe ibh ibi ibo ibs ibt icb icc ice ich ici ico ics ict ie- iec iee iei ies iet ihb ihc ihe ihh ihi iho ihs iht iib iic iie iih iii iio iis iit io- iob ioc ioe ioh ioi ioo ios iot is- isb isc ise ish isi iso iss ist itb itc ite ith iti ito its itt o-i ob- obb obc obe obh obi obo obs obt oc- ocb occ och oci oco ocs oct oeb oec oee oeh oei oeo oes oet ohc ohe ohh ohi oho ohs oht oib oic oie oii oio ois oit oo- oob ooc ooh ooi ooo oos oot os- osb osc ose osh osi oso oss ost ot- otb otc ote oth oti oto ots ott sbb sbc sbe sbh sbi sbo sbs sbt scb scc sce sch sci sco scs sct se- seb sec see seh sei seo ses set sh- shb shc she shh shi sho shs sht sib sic sie sih sii sio sis sit sob soc soe soh soi soo sos sot ss- ssb ssc sse ssh ssi sso sss sst stb stc ste sth sti sto sts stt tbb tbc tbe tbh tbi tbo tbs tbt tcb tcc tce tch tci tco tcs tct te- teb tec tee teh tei teo tes tet th- thb thc the thh thi tho ths tht tib tic tie tih tii tio tis tit to- tob toc toe toh toi too tos tot tsb tsc tse tsh tsi tso tss tst ttb ttc tte tth tti tto tts ttt