-al -er a-a a-b a-t aaa aab aae aal aap aar aat aav ab- aba abb abe abl abp abr abt abv aea aeb aee ael aep aer aet aev al- ala alb ale all alp alr alt alv ap- apa apb ape apl app apr apt apv ar- ara arb are arl arp arr art arv at- ata atb ate atl atp atr att atv av- ava avb ave avl avp avr avt b-p baa bab bae bal bap bar bat bav bba bbb bbe bbl bbp bbr bbt be- bea beb bee bel bep ber bet bev bla blb ble bll blp blr blt blv bpa bpb bpe bpl bpp bpr bpt bpv bra brb bre brl brp brr brt brv bta btb bte btl btp btr btt btv bva bvb bve bvl bvp bvr bvt bvv eaa eab eae eal eap ear eat eav eba ebb ebe ebl ebp ebr ebt ebv eea eeb eee eel eep eer eet eev ela elb ele ell elp elr elt elv ep- epa epb epe epl epp epr ept era erb ere erl erp err ert erv eta etb ete etl etp etr ett etv eva evb eve evl evp evr evt evv l-p la- laa lab lae lal lap lar lat lav lba lbb lbe lbl lbp lbr lbt lbv lea leb lee lel lep ler let lev lla llb lle lll llp llr llt llv lpa lpb lpe lpl lpp lpr lpt lpv lra lrb lrp lrr lrt lrv lta ltb lte ltl ltp ltr ltt ltv lva lvb lve lvl lvp lvr lvt lvv p-p paa pab pae pal pap par pat pav pba pbb pbe pbl pbp pbr pbt pea peb pee pel pep per pet pev pla plb ple pll plp plr plt plv ppa ppb ppe ppl ppp ppr ppt ppv pra prb pre prl prp prr prt prv pt- pta ptb pte ptl ptp ptr ptt ptv pva pvb pve pvl pvp pvr pvt pvv ra- raa rab rae ral rap rar rat rav rba rbb rbe rbl rbp rbr rbt re- rea reb ree rel rep rer ret rev rla rle rll rlp rlr rlt rpa rpb rpe rpl rpp rpr rpt rpv rra rrb rrl rrp rrr rrt rta rtb rte rtl rtp rtr rtt rtv rva rvb rve rvl rvp rvr rvt rvv taa tab tae tal tap tar tat tav tba tbb tbe tbl tbp tbr tbt tbv te- tea teb tee tel tep ter tet tev tla tle tll tlp tlr tlt tlv tpa tpb tpe tpl tpp tpr tpt tpv tra trb tre trl trp trr trt trv tta ttb tte ttl ttp ttr ttt ttv tva tvb tve tvl tvp tvr tvt v-a v-e vaa vab vae val vap var vat vav vba vbl vbr vbv vea veb vee vel vep ver vet vl- vla vlb vle vll vlp vlt vlv vpa vpb vpe vpl vpp vpr vpt vra vrb vre vrp vrr vrt vta vtb vte vtl vtr vtt vtv vva vvb vvr vvt vvv