-ic b-u bbb bbc bbd bbh bbi bbs bbu bcb bcc bcd bch bci bcs bcu bdb bdc bdd bdh bdi bds bdu bhb bhc bhd bhh bhi bhs bhu bi- bib bic bid bih bii bis biu bsb bsc bsd bsh bsi bss bsu bub buc bud buh bui bus buu c-- cbb cbc cbd cbh cbi cbs cbu ccb ccc ccd cch cci ccs ccu cdb cdc cdd cdh cdi cds cdu ch- chb chc chd chh chi chs chu ci- cib cic cid cih cii cis ciu csb csc csd csh csi css csu cub cuc cud cuh cui cus cuu dbb dbc dbd dbh dbi dbs dbu dcb dcc dcd dci dcs dcu ddb ddc ddd ddh ddi dds ddu dh- dhb dhc dhd dhh dhi dhs dhu di- dib dic did dih dii dis diu dsb dsc dsd dsh dsi dss dsu dub duc dud duh dui dus h-i hbb hbc hbd hbh hbi hbs hbu hcb hcc hcd hch hci hcs hdb hdc hdd hdh hdi hds hdu hhb hhc hhd hhh hhi hhs hhu hib hic hid hih hii his hiu hsb hsc hsd hsh hsi hss hsu hub huc hud huh hui hus huu i-d ibb ibc ibd ibh ibi ibs ibu icb icc icd ich ici ics icu idb idc idd idh idi ids idu ihb ihc ihd ihh ihi ihs ihu iib iic iid iih iii iis iiu is- isb isc isd ish isi iss isu iu- iub iuc iud iui ius sbb sbc sbd sbh sbi sbs sbu scb scc scd sch sci scs scu sdb sdc sdd sdh sdi sds sdu sh- shb shc shd shh shi shs shu sib sic sid sih sii sis siu ss- ssb ssc ssd ssh ssi sss ssu sub suc sud suh sui sus suu ubb ubc ubh ubi ubs ubu ucb ucc ucd uch uci ucs ucu udb udc udd udi uds udu uhb uhc uhd uhh uhi uhs uhu uib uic uid uii uis uiu usb usc usd ush usi uss usu uuc uus uuu