-ic b-p bbb bbc bbd bbh bbi bbo bbp bbr bby bcb bcc bcd bch bci bco bcp bcr bcy bdb bdc bdd bdh bdi bdo bdp bdr bdy bhb bhc bhd bhh bhi bho bhp bhr bi- bib bic bid bih bii bio bip bir biy bob boc bod boh boi boo bop bor boy bpb bpc bpd bph bpi bpo bpp bpr bpy brb brd brh bri bro brp brr bry by- byc byd byh byi byo byp byr c-- cbb cbc cbd cbh cbi cbo cbp cbr cby ccb ccc ccd cch cci cco ccp ccr cdb cdc cdd cdh cdi cdo cdp cdr cdy ch- chb chc chd chh chi cho chp chr chy ci- cib cic cid cih cii cio cip cir co- cob coc cod coh coi coo cop cor coy cpb cpc cpd cph cpi cpo cpp cpr crb crc crd crh cri cro crp crr cry cyb cyc cyd cyo cyp cyr dbb dbc dbd dbh dbi dbo dbp dbr dby dcb dcc dcd dci dco dcp dcr ddb ddc ddd ddh ddi ddo ddp ddr ddy dh- dhb dhc dhd dhh dhi dho dhp dhr di- dib dic did dih dii dio dip dir diy dob doc dod doh doi doo dop dor doy dpb dpc dpd dph dpi dpo dpp dpr drb drc drd dri dro drp drr dry dy- dyb dyc dyd dyo dyp dyr dyy h-i hbb hbc hbd hbh hbi hbo hbp hbr hby hcb hcc hcd hch hci hco hcp hcr hcy hdb hdc hdd hdh hdi hdo hdp hdr hdy hhb hhc hhd hhh hhi hho hhp hhr hhy hib hic hid hih hii hio hip hir hob hoc hod hoh hoi hoo hop hor hoy hpb hpc hpd hph hpi hpo hpp hpr hpy hr- hrb hrc hrd hrh hri hro hrp hrr hy- hyb hyc hyd hyh hyi hyo hyp hyr hyy i-d ibb ibc ibd ibh ibi ibo ibp ibr iby icb icc icd ich ici ico icp icr icy idb idc idd idh idi ido idp idr idy ihb ihc ihd ihh ihi iho ihp ihr ihy iib iic iid iih iii iio iip iir io- iob ioc iod ioh ioi ioo iop ior ipb ipc ipd ipi ipo ipp ipr ipy ir- irb irc ird iri iro irp irr iry iyc iyo iyr iyy o-i ob- obb obc obd obh obi obo obp obr oby oc- ocb occ ocd och oci oco ocp ocr odb odc odd odh odi odo odp odr ohc ohd ohh ohi oho ohp ohr oib oic oid oii oio oip oir oo- oob ooc ood ooh ooi ooo oop oor op- opb opc opd oph opi opo opp opr opy or- orb orc ord orh ori oro orp orr ory oyd oyi oyo p-p pbb pbc pbd pbi pbo pbp pbr pby pcb pcc pcd pch pci pco pcp pcr pdb pdc pdd pdh pdi pdo pdp pdr phb phc phd phi pho php phr phy pib pic pid pih pii pio pip pir pob poc pod poh poi poo pop por poy ppb ppc ppd pph ppi ppo ppp ppr prb prc prd prh pri pro prp prr pry py- pyb pyc pyd pyo pyr rbb rbc rbd rbh rbi rbo rbp rbr rcb rcc rcd rch rci rco rcp rcr rdb rdc rdd rdh rdi rdo rdp rdr rdy rh- rhb rhc rhd rhh rhi rho rhp rhr rib ric rid rih rii rio rip rir riy rob roc rod roh roi roo rop ror roy rpb rpc rpd rph rpi rpo rpp rpr rrb rrc rrd rrh rri rrp rrr ry- ryc ryd ryo ryr ryy ybc ybi ybp ybr yby ycc ycd ych yci yco ycp ycy ydo ydy yhc yhi yid yih yii yio yip yir yob yoc yod yoi yoo yop yor yoy ypd ypo yrc yro yrp yyb yyc yyy