-al a-a a-b aaa aab aal aam aap aar ab- aba abb abl abm abp abr al- ala alb all alm alp alr ama amb aml amm amp amr ap- apa apb apl apm app apr ar- ara arb arl arm arp arr b-p baa bab bal bam bap bar bba bbb bbl bbm bbp bbr bla blb bll blm blp blr bma bmb bml bmm bmp bmr bpa bpb bpl bpm bpp bpr bra brb brl brm brp brr l-p la- laa lab lal lam lap lar lba lbb lbl lbm lbp lbr lla llb lll llm llp llr lma lmb lml lmm lmp lmr lpa lpb lpl lpm lpp lpr lra lrb lrm lrp lrr m-r maa mab mal mam map mar mba mbb mbl mbm mbp mbr mla mlb mll mlm mlp mlr mma mmb mml mmm mmp mmr mpa mpb mpl mpm mpp mpr mra mrb mrl mrm mrp mrr p-p paa pab pal pam pap par pba pbb pbl pbm pbp pbr pla plb pll plm plp plr pma pmb pml pmm pmp pmr ppa ppb ppl ppm ppp ppr pra prb prl prm prp prr ra- raa rab ral ram rap rar rba rbb rbl rbm rbp rbr rla rll rlm rlp rlr rma rmb rml rmm rmp rmr rpa rpb rpl rpm rpp rpr rra rrb rrl rrm rrp rrr