-ic b-p bbb bbc bbd bbh bbi bbo bbp bbs bcb bcc bcd bch bci bco bcp bcs bdb bdc bdd bdh bdi bdo bdp bds bhb bhc bhd bhh bhi bho bhp bhs bi- bib bic bid bih bii bio bip bis bob boc bod boh boi boo bop bos bpb bpc bpd bph bpi bpo bpp bps bsb bsc bsd bsh bsi bso bsp bss c-- cbb cbc cbd cbh cbi cbo cbp cbs ccb ccc ccd cch cci cco ccp ccs cdb cdc cdd cdh cdi cdo cdp cds ch- chb chc chd chh chi cho chp chs ci- cib cic cid cih cii cio cip cis co- cob coc cod coh coi coo cop cos cpb cpc cpd cph cpi cpo cpp cps csb csc csd csh csi cso csp css dbb dbc dbd dbh dbi dbo dbp dbs dcb dcc dcd dci dco dcp dcs ddb ddc ddd ddh ddi ddo ddp dds dh- dhb dhc dhd dhh dhi dho dhp dhs di- dib dic did dih dii dio dip dis dob doc dod doh doi doo dop dos dpb dpc dpd dph dpi dpo dpp dps dsb dsc dsd dsh dsi dso dsp dss h-i hbb hbc hbd hbh hbi hbo hbp hbs hcb hcc hcd hch hci hco hcp hcs hdb hdc hdd hdh hdi hdo hdp hds hhb hhc hhd hhh hhi hho hhp hhs hib hic hid hih hii hio hip his hob hoc hod hoh hoi hoo hop hos hpb hpc hpd hph hpi hpo hpp hps hsb hsc hsd hsh hsi hsp hss i-d ibb ibc ibd ibh ibi ibo ibp ibs icb icc icd ich ici ico icp ics idb idc idd idh idi ido idp ids ihb ihc ihd ihh ihi iho ihp ihs iib iic iid iih iii iio iip iis io- iob ioc iod ioh ioi ioo iop ios ipb ipc ipd ipi ipo ipp ips is- isb isc isd ish isi iso isp iss o-i ob- obb obc obd obh obi obo obp obs oc- ocb occ ocd och oci oco ocp ocs odb odc odd odh odi odo odp ods ohc ohd ohh ohi oho ohp ohs oib oic oid oii oio oip ois oo- oob ooc ood ooh ooi ooo oop oos op- opb opc opd oph opi opo opp ops os- osb osc osd osh osi oso osp oss p-p pbb pbc pbd pbi pbo pbp pbs pcb pcc pcd pch pci pco pcp pcs pdb pdc pdd pdh pdi pdo pdp pds phb phc phd phi pho php phs pib pic pid pih pii pio pip pis pob poc pod poh poi poo pop pos ppb ppc ppd pph ppi ppo ppp pps ps- psb psc psd psh psi pso psp pss sbb sbc sbd sbh sbi sbo sbp sbs scb scc scd sch sci sco scp scs sdb sdc sdd sdh sdi sdo sdp sds sh- shb shc shd shh shi sho shp shs sib sic sid sih sii sio sip sis sob soc sod soh soi soo sop sos spb spc spd sph spi spo spp sps ss- ssb ssc ssd ssh ssi sso ssp sss