-al -er a-a a-b a-t aaa aab aae aal aap aar aat ab- aba abb abe abl abp abr abt aea aeb aee ael aep aer aet al- ala alb ale all alp alr alt ap- apa apb ape apl app apr apt ar- ara arb are arl arp arr art at- ata atb ate atl atp atr att b-p baa bab bae bal bap bar bat bba bbb bbe bbl bbp bbr bbt be- bea beb bee bel bep ber bet bla blb ble bll blp blr blt bpa bpb bpe bpl bpp bpr bpt bra brb bre brl brp brr brt bta btb bte btl btp btr btt eaa eab eae eal eap ear eat eba ebb ebe ebl ebp ebr ebt eea eeb eee eel eep eer eet ela elb ele ell elp elr elt ep- epa epb epe epl epp epr ept era erb ere erl erp err ert eta etb ete etl etp etr ett l-p la- laa lab lae lal lap lar lat lba lbb lbe lbl lbp lbr lbt lea leb lee lel lep ler let lla llb lle lll llp llr llt lpa lpb lpe lpl lpp lpr lpt lra lrb lrp lrr lrt lta ltb lte ltl ltp ltr ltt p-p paa pab pae pal pap par pat pba pbb pbe pbl pbp pbr pbt pea peb pee pel pep per pet pla plb ple pll plp plr plt ppa ppb ppe ppl ppp ppr ppt pra prb pre prl prp prr prt pt- pta ptb pte ptl ptp ptr ptt ra- raa rab rae ral rap rar rat rba rbb rbe rbl rbp rbr rbt re- rea reb ree rel rep rer ret rla rle rll rlp rlr rlt rpa rpb rpe rpl rpp rpr rpt rra rrb rrl rrp rrr rrt rta rtb rte rtl rtp rtr rtt taa tab tae tal tap tar tat tba tbb tbe tbl tbp tbr tbt te- tea teb tee tel tep ter tet tla tle tll tlp tlr tlt tpa tpb tpe tpl tpp tpr tpt tra trb tre trl trp trr trt tta ttb tte ttl ttp ttr ttt