-ic b-p bbb bbc bbh bbi bbo bbp bbr bbx bby bcb bcc bch bci bco bcp bcr bcx bcy bhb bhc bhh bhi bho bhp bhr bhx bi- bib bic bih bii bio bip bir bix biy bob boc boh boi boo bop bor box boy bpb bpc bph bpi bpo bpp bpr bpx bpy brb brh bri bro brp brr brx bry bxb bxi bxo bxx by- byc byh byi byo byp byr c-- cbb cbc cbh cbi cbo cbp cbr cbx cby ccb ccc cch cci cco ccp ccr ccx ch- chb chc chh chi cho chp chr chx chy ci- cib cic cih cii cio cip cir cix co- cob coc coh coi coo cop cor cox coy cpb cpc cph cpi cpo cpp cpr cpx crb crc crh cri cro crp crr crx cry cxc cxh cxi cxo cxp cxr cxx cyb cyc cyo cyp cyr h-i hbb hbc hbh hbi hbo hbp hbr hbx hby hcb hcc hch hci hco hcp hcr hcy hhb hhc hhh hhi hho hhp hhr hhy hib hic hih hii hio hip hir hix hob hoc hoh hoi hoo hop hor hox hoy hpb hpc hph hpi hpo hpp hpr hpy hr- hrb hrc hrh hri hro hrp hrr hxc hy- hyb hyc hyh hyi hyo hyp hyr hyy ibb ibc ibh ibi ibo ibp ibr ibx iby icb icc ich ici ico icp icr icy ihb ihc ihh ihi iho ihp ihr ihy iib iic iih iii iio iip iir iix io- iob ioc ioh ioi ioo iop ior ipb ipc ipi ipo ipp ipr ipx ipy ir- irb irc iri iro irp irr irx iry ixc ixi ixy iyc iyo iyr iyy o-i ob- obb obc obh obi obo obp obr obx oby oc- ocb occ och oci oco ocp ocr ocx ohc ohh ohi oho ohp ohr oib oic oii oio oip oir oo- oob ooc ooh ooi ooo oop oor oox op- opb opc oph opi opo opp opr opx opy or- orb orc orh ori oro orp orr orx ory ox- oxb oxc oxi oxo oxx oxy oyi oyo p-p pbb pbc pbi pbo pbp pbr pbx pby pcb pcc pch pci pco pcp pcr pcx phb phc phi pho php phr phx phy pib pic pih pii pio pip pir pix pob poc poh poi poo pop por pox poy ppb ppc pph ppi ppo ppp ppr ppx prb prc prh pri pro prp prr prx pry pxc pxr py- pyb pyc pyo pyr pyx rbb rbc rbh rbi rbo rbp rbr rbx rcb rcc rch rci rco rcp rcr rcx rh- rhb rhc rhh rhi rho rhp rhr rib ric rih rii rio rip rir rix riy rob roc roh roi roo rop ror rox roy rpb rpc rph rpi rpo rpp rpr rpx rrb rrc rrh rri rrp rrr rxp rxr ry- ryc ryo ryr ryy xbc xbr xbx xcb xch xci xcp xcr xcx xhp xic xii xio xix xoc xoi xoo xop xor xox xpb xpc xpo xpp xrc xrx xry xxi xxo xxp xxx xxy xyp xyr xyy ybc ybi ybp ybr yby ycc ych yci yco ycp ycy yhc yhi yih yii yio yip yir yob yoc yoi yoo yop yor yox yoy ypo yrc yro yrp yxy yyb yyc yyy