b-p bbb bbc bbh bbn bbo bbp bbr bby bcb bcc bch bcn bco bcp bcr bcy bhb bhc bhh bho bhp bhr bnb bnc bnn bno bnp bnr bob boc boh bon boo bop bor boy bpb bpc bph bpn bpo bpp bpr bpy brb brh brn bro brp brr bry by- byc byh byn byo byp byr c-- cbb cbc cbh cbn cbo cbp cbr cby ccb ccc cch ccn cco ccp ccr ch- chb chc chh chn cho chp chr chy cn- cnb cnc cnh cnn cno cnp cnr cny co- cob coc coh con coo cop cor coy cpb cpc cph cpn cpo cpp cpr crb crc crh crn cro crp crr cry cyb cyc cyn cyo cyp cyr hbb hbc hbh hbn hbo hbp hbr hby hcb hcc hch hcn hco hcp hcr hcy hhb hhc hhh hhn hho hhp hhr hhy hnb hnc hnh hnn hno hny hob hoc hoh hon hoo hop hor hoy hpb hpc hph hpn hpo hpp hpr hpy hr- hrb hrc hrh hrn hro hrp hrr hy- hyb hyc hyh hyn hyo hyp hyr hyy nbb nbc nbn nbo nbp nbr ncb ncc nch ncn nco ncp ncr nhb nhc nhh nhn nhp nhr nhy nnb nnc nnh nnn nno nnp no- nob noc noh non noo nop nor noy npb npc nph npn npo npp npr nrb nrc nrn nro nrp nrr nry nyc nyn nyo nyp nyy ob- obb obc obh obn obo obp obr oby oc- ocb occ och ocn oco ocp ocr ohc ohh ohn oho ohp ohr on- onb onc onh onn ono onp onr ony oo- oob ooc ooh oon ooo oop oor op- opb opc oph opn opo opp opr opy or- orb orc orh orn oro orp orr ory oyo p-p pbb pbc pbn pbo pbp pbr pby pcb pcc pch pcn pco pcp pcr phb phc phn pho php phr phy pn- pnb pnc pnh pnn pno pnp pnr pny pob poc poh pon poo pop por poy ppb ppc pph ppn ppo ppp ppr prb prc prh prn pro prp prr pry py- pyb pyc pyn pyo pyr rbb rbc rbh rbn rbo rbp rbr rcb rcc rch rcn rco rcp rcr rh- rhb rhc rhh rhn rho rhp rhr rnb rnc rnh rnn rno rnp rnr rny rob roc roh ron roo rop ror roy rpb rpc rph rpn rpo rpp rpr rrb rrc rrh rrn rrp rrr ry- ryc ryn ryo ryr ryy ybc ybp ybr yby ycc ych yco ycp ycy yhc ynn ynp yny yob yoc yon yoo yop yor yoy ypo yrc yrn yro yrp yyb yyc yyy