-ey b-p bbb bbc bbe bbh bbn bbo bbp bby bcb bcc bce bch bcn bco bcp bcy be- beb bec bee beh ben beo bep bey bhb bhc bhe bhh bho bhp bnb bnc bne bnn bno bnp bob boc boe boh bon boo bop boy bpb bpc bpe bph bpn bpo bpp bpy by- byc bye byh byn byo byp c-- cbb cbc cbe cbh cbn cbo cbp cby ccb ccc cce cch ccn cco ccp ce- ceb cec cee ceh cen ceo cep cey ch- chb chc che chh chn cho chp chy cn- cnb cnc cne cnh cnn cno cnp cny co- cob coc coe coh con coo cop coy cpb cpc cpe cph cpn cpo cpp cyb cyc cye cyn cyo cyp ebb ebc ebe ebh ebn ebo ebp eby ec- ecb ecc ece ech ecn eco eeb eec eee een eeo eep eey ehb ehc ehe ehh ehn eho ehp en- enb enc ene enh enn eno enp eny eo- eob eoc eoe eoh eon eoo eop ep- epb epc epe eph epn epo epp eyc eye eyn eyo eyp hbb hbc hbe hbh hbn hbo hbp hby hcb hcc hce hch hcn hco hcp hcy he- heb hec hee heh hen heo hep hey hhb hhc hhe hhh hhn hho hhp hhy hnb hnc hne hnh hnn hno hny hob hoc hoe hoh hon hoo hop hoy hpb hpc hpe hph hpn hpo hpp hpy hy- hyb hyc hye hyh hyn hyo hyp hyy nbb nbc nbe nbn nbo nbp ncb ncc nce nch ncn nco ncp ne- neb nec nee neh nen neo nep ney nhb nhc nhe nhh nhn nhp nhy nnb nnc nne nnh nnn nno nnp no- nob noc noe noh non noo nop noy npb npc npe nph npn npo npp nyc nye nyn nyo nyp nyy ob- obb obc obe obh obn obo obp oby oc- ocb occ och ocn oco ocp oeb oec oee oeh oen oeo oep oey ohc ohe ohh ohn oho ohp on- onb onc one onh onn ono onp ony oo- oob ooc ooh oon ooo oop op- opb opc ope oph opn opo opp opy oye oyo p-p pbb pbc pbe pbn pbo pbp pby pcb pcc pce pch pcn pco pcp peb pec pee peh pen peo pep pey phb phc phe phn pho php phy pn- pnb pnc pne pnh pnn pno pnp pny pob poc poe poh pon poo pop poy ppb ppc ppe pph ppn ppo ppp py- pyb pyc pye pyn pyo ybc ybe ybp yby ycc yce ych yco ycp ycy yeb yec yee yeh yen yeo yep yey yhc yhe yne ynn ynp yny yob yoc yoe yon yoo yop yoy ypo yyb yyc yye yyy