-ic bbb bbc bbd bbh bbi bbo bbr bbs bby bcb bcc bcd bch bci bco bcr bcs bcy bdb bdc bdd bdh bdi bdo bdr bds bdy bhb bhc bhd bhh bhi bho bhr bhs bi- bib bic bid bih bii bio bir bis biy bob boc bod boh boi boo bor bos boy brb brd brh bri bro brr brs bry bsb bsc bsd bsh bsi bso bsr bss bsy by- byc byd byh byi byo byr bys c-- cbb cbc cbd cbh cbi cbo cbr cbs cby ccb ccc ccd cch cci cco ccr ccs cdb cdc cdd cdh cdi cdo cdr cds cdy ch- chb chc chd chh chi cho chr chs chy ci- cib cic cid cih cii cio cir cis co- cob coc cod coh coi coo cor cos coy crb crc crd crh cri cro crr crs cry csb csc csd csh csi cso csr css csy cyb cyc cyd cyo cyr cys dbb dbc dbd dbh dbi dbo dbr dbs dby dcb dcc dcd dci dco dcr dcs ddb ddc ddd ddh ddi ddo ddr dds ddy dh- dhb dhc dhd dhh dhi dho dhr dhs di- dib dic did dih dii dio dir dis diy dob doc dod doh doi doo dor dos doy drb drc drd dri dro drr drs dry dsb dsc dsd dsh dsi dso dsr dss dsy dy- dyb dyc dyd dyo dyr dys dyy h-i hbb hbc hbd hbh hbi hbo hbr hbs hby hcb hcc hcd hch hci hco hcr hcs hcy hdb hdc hdd hdh hdi hdo hdr hds hdy hhb hhc hhd hhh hhi hho hhr hhs hhy hib hic hid hih hii hio hir his hob hoc hod hoh hoi hoo hor hos hoy hr- hrb hrc hrd hrh hri hro hrr hrs hsb hsc hsd hsh hsi hsr hss hsy hy- hyb hyc hyd hyh hyi hyo hyr hys hyy i-d ibb ibc ibd ibh ibi ibo ibr ibs iby icb icc icd ich ici ico icr ics icy idb idc idd idh idi ido idr ids idy ihb ihc ihd ihh ihi iho ihr ihs ihy iib iic iid iih iii iio iir iis io- iob ioc iod ioh ioi ioo ior ios ir- irb irc ird iri iro irr irs iry is- isb isc isd ish isi iso isr iss isy iyc iyo iyr iys iyy o-i ob- obb obc obd obh obi obo obr obs oby oc- ocb occ ocd och oci oco ocr ocs odb odc odd odh odi odo odr ods ohc ohd ohh ohi oho ohr ohs oib oic oid oii oio oir ois oo- oob ooc ood ooh ooi ooo oor oos or- orb orc ord orh ori oro orr ors ory os- osb osc osd osh osi oso osr oss oyd oyi oyo oys rbb rbc rbd rbh rbi rbo rbr rbs rcb rcc rcd rch rci rco rcr rcs rdb rdc rdd rdh rdi rdo rdr rds rdy rh- rhb rhc rhd rhh rhi rho rhr rhs rib ric rid rih rii rio rir ris riy rob roc rod roh roi roo ror ros roy rrb rrc rrd rrh rri rrr rrs rsb rsc rsd rsh rsi rso rsr rss ry- ryc ryd ryo ryr rys ryy sbb sbc sbd sbh sbi sbo sbr sbs sby scb scc scd sch sci sco scr scs sdb sdc sdd sdh sdi sdo sdr sds sdy sh- shb shc shd shh shi sho shr shs shy sib sic sid sih sii sio sir sis sob soc sod soh soi soo sor sos soy sr- srb src srd srh sri sro srr srs sry ss- ssb ssc ssd ssh ssi sso ssr sss sy- syb syc syd syh syi syr sys ybc ybi ybr ybs yby ycc ycd ych yci yco ycs ycy ydo yds ydy yhc yhi yhs yid yih yii yio yir yis yob yoc yod yoi yoo yor yos yoy yrc yro yrs ysb ysc ysi yso ysr yss ysy yyb yyc yys yyy