b-p bbb bbe bbh bbl bbp bbx be- beb bee beh bel bep bex bhb bhe bhh bhl bhp bhx blb ble blh bll blp blx bpb bpe bph bpl bpp bpx bxb bxl bxx ebb ebe ebh ebl ebp ebx eeb eee eel eep eex ehb ehe ehh ehl ehp elb ele elh ell elp elx ep- epb epe eph epl epp epx ex- exe exh exl exp exx hbb hbe hbh hbl hbp hbx he- heb hee heh hel hep hex hhb hhe hhh hhl hhp hlb hle hlh hll hlp hlx hpb hpe hph hpl hpp hxl l-p lbb lbe lbh lbl lbp lbx leb lee leh lel lep lex lhb lhh lhp lhx llb lle lll llp lpb lpe lph lpl lpp lpx lxx p-p pbb pbe pbl pbp pbx peb pee peh pel pep pex phb phe phl php phx plb ple plh pll plp plx ppb ppe pph ppl ppp ppx pxe pxl xbe xbl xbx xee xel xep xex xhp xlb xpb xpe xpl xpp xxl xxp xxx