-al a-a a-b aaa aab aae aal aap aax ab- aba abb abe abl abp abx aea aeb aee ael aep aex al- ala alb ale all alp alx ap- apa apb ape apl app apx ax- axa axe axl axp axx b-p baa bab bae bal bap bax bba bbb bbe bbl bbp bbx be- bea beb bee bel bep bex bla blb ble bll blp blx bpa bpb bpe bpl bpp bpx bxb bxl bxx eaa eab eae eal eap eax eba ebb ebe ebl ebp ebx eea eeb eee eel eep eex ela elb ele ell elp elx ep- epa epb epe epl epp epx ex- exa exe exl exp exx l-p la- laa lab lae lal lap lax lba lbb lbe lbl lbp lbx lea leb lee lel lep lex lla llb lle lll llp lpa lpb lpe lpl lpp lpx lxx p-p paa pab pae pal pap pax pba pbb pbe pbl pbp pbx pea peb pee pel pep pex pla plb ple pll plp plx ppa ppb ppe ppl ppp ppx pxe pxl xaa xal xap xbe xbl xbx xee xel xep xex xla xlb xpa xpb xpe xpl xpp xxl xxp xxx