-al -ol a-a a-b aaa aab aad aae aal aao aap aav ab- aba abb abd abe abl abo abp abv ad- ada adb add ade adl ado adp adv aea aeb aed aee ael aeo aep aev al- ala alb ald ale all alo alp alv aoa aob aod aoe aol aoo aop aov ap- apa apb apd ape apl apo app apv av- ava avb avd ave avl avo avp b-p baa bab bad bae bal bao bap bav bba bbb bbd bbe bbl bbo bbp bda bdb bdd bde bdl bdo bdp bdv be- bea beb bed bee bel beo bep bev bla blb bld ble bll blo blp blv boa bob bod boe bol boo bop bov bpa bpb bpd bpe bpl bpo bpp bpv bva bvb bvd bve bvl bvo bvp bvv daa dab dad dae dal dao dap dav dba dbb dbd dbe dbl dbo dbp dbv dda ddb ddd dde ddl ddo ddp de- dea deb ded dee del deo dep dev dl- dla dlb dld dle dll dlo dlp dlv doa dob dod doe dol doo dop dov dpa dpb dpd dpe dpl dpo dpp dpv dva dvb dvd dve dvl dvp eaa eab ead eae eal eao eap eav eba ebb ebd ebe ebl ebo ebp ebv ed- eda edb edd ede edl edo edp eea eeb eed eee eel eeo eep eev ela elb eld ele ell elo elp elv eo- eoa eob eod eoe eol eoo eop ep- epa epb epd epe epl epo epp eva evb evd eve evl evo evp evv l-p la- laa lab lad lae lal lao lap lav lba lbb lbd lbe lbl lbo lbp lbv lda ldb ldd lde ldl ldo ldp ldv lea leb led lee lel leo lep lev lla llb lld lle lll llo llp llv loa lob lod loe lol loo lop lov lpa lpb lpd lpe lpl lpo lpp lpv lva lvb lvd lve lvl lvp lvv oaa oab oad oae oal oao oap oav ob- oba obb obd obe obl obo obp obv oda odb odd ode odl odo odp odv oea oeb oed oee oel oeo oep ola olb old ole oll olo olp oo- ooa oob ood ool ooo oop oov op- opa opb opd ope opl opo opp opv ov- ova ovb ovd ove ovl ovo ovp ovv p-p paa pab pad pae pal pao pap pav pba pbb pbd pbe pbl pbo pbp pda pdb pdd pde pdl pdo pdp pdv pea peb ped pee pel peo pep pev pla plb pld ple pll plo plp plv poa pob pod poe pol poo pop pov ppa ppb ppd ppe ppl ppo ppp ppv pva pvb pvd pve pvl pvo pvp pvv v-a v-e vaa vab vad vae val vao vap vav vba vbd vbl vbo vbv vdb vdd vde vdl vdo vdp vdv vea veb ved vee vel veo vep vl- vla vlb vld vle vll vlo vlp vlv voa vob vod voe vol voo vop vov vpa vpb vpd vpe vpl vpo vpp vva vvb vvo vvv