-th b-p bbb bbe bbh bbn bbo bbp bbt bbx be- beb bee beh ben beo bep bet bex bhb bhe bhh bho bhp bht bhx bnb bne bnn bno bnp bnt bnx bob boe boh bon boo bop bot box bpb bpe bph bpn bpo bpp bpt bpx btb bte bth btn bto btp btt btx bxb bxn bxo bxx ebb ebe ebh ebn ebo ebp ebt ebx eeb eee een eeo eep eet eex ehb ehe ehh ehn eho ehp eht en- enb ene enh enn eno enp ent eo- eob eoe eoh eon eoo eop eot ep- epb epe eph epn epo epp ept epx etb ete eth etn eto etp ett etx ex- exe exh exo exp ext exx hbb hbe hbh hbn hbo hbp hbt hbx he- heb hee heh hen heo hep het hex hhb hhe hhh hhn hho hhp hht hnb hne hnh hnn hno hnt hob hoe hoh hon hoo hop hot hox hpb hpe hph hpn hpo hpp hpt htb hte hth htn hto htp htt htx nbb nbe nbn nbo nbp nbt nbx ne- neb nee neh nen neo nep net nex nhb nhe nhh nhn nhp nht nnb nne nnh nnn nno nnp nnt no- nob noe noh non noo nop not nox npb npe nph npn npo npp npt ntb nte nth ntn nto ntp ntt ntx nxt ob- obb obe obh obn obo obp obt obx oeb oee oeh oen oeo oep oet oex ohe ohh ohn oho ohp oht on- onb one onh onn ono onp ont onx oo- oob ooh oon ooo oop oot oox op- opb ope oph opn opo opp opt opx ot- otb ote oth otn oto otp ott ox- oxb oxn oxo oxt oxx p-p pbb pbe pbn pbo pbp pbt pbx peb pee peh pen peo pep pet pex phb phe phn pho php pht phx pn- pnb pne pnh pnn pno pnp pnt pnx pob poe poh pon poo pop pot pox ppb ppe pph ppn ppo ppp ppt ppx pt- ptb pte pth ptn pto ptp ptt ptx pxe pxt t-x tbb tbe tbh tbn tbo tbp tbt te- teb tee teh ten teo tep tet tex th- thb the thh thn tho thp tht thx tnb tne tnh tnn tno tnp tnt tnx to- tob toe toh ton too top tot tox tpb tpe tph tpn tpo tpp tpt tpx ttb tte tth ttn tto ttp ttt ttx txe txn txt xbe xbx xee xen xep xet xex xhp xht xno xon xoo xop xot xox xpb xpe xpn xpo xpp xpt xtp xtx xxo xxp xxx