-al -er -ol a-a a-b a-t aaa aab aad aae aal aao aap aar aat ab- aba abb abd abe abl abo abp abr abt ad- ada adb add ade adl ado adp adr adt aea aeb aed aee ael aeo aep aer aet al- ala alb ald ale all alo alp alr alt aoa aob aod aoe aol aoo aop aor aot ap- apa apb apd ape apl apo app apr apt ar- ara arb ard are arl aro arp arr art at- ata atb atd ate atl ato atp atr att b-p baa bab bad bae bal bao bap bar bat bba bbb bbd bbe bbl bbo bbp bbr bbt bda bdb bdd bde bdl bdo bdp bdr bdt be- bea beb bed bee bel beo bep ber bet bla blb bld ble bll blo blp blr blt boa bob bod boe bol boo bop bor bot bpa bpb bpd bpe bpl bpo bpp bpr bpt bra brb brd bre brl bro brp brr brt bta btb btd bte btl bto btp btr btt daa dab dad dae dal dao dap dar dat dba dbb dbd dbe dbl dbo dbp dbr dbt dda ddb ddd dde ddl ddo ddp ddr ddt de- dea deb ded dee del deo dep der det dl- dla dlb dld dle dll dlo dlp dlr dlt doa dob dod doe dol doo dop dor dot dpa dpb dpd dpe dpl dpo dpp dpr dpt dra drb drd dre drl dro drp drr drt dta dtb dtd dte dtl dto dtp dtr dtt eaa eab ead eae eal eao eap ear eat eba ebb ebd ebe ebl ebo ebp ebr ebt ed- eda edb edd ede edl edo edp edr edt eea eeb eed eee eel eeo eep eer eet ela elb eld ele ell elo elp elr elt eo- eoa eob eod eoe eol eoo eop eor eot ep- epa epb epd epe epl epo epp epr ept era erb erd ere erl ero erp err ert eta etb etd ete etl eto etp etr ett l-p la- laa lab lad lae lal lao lap lar lat lba lbb lbd lbe lbl lbo lbp lbr lbt lda ldb ldd lde ldl ldo ldp ldr ldt lea leb led lee lel leo lep ler let lla llb lld lle lll llo llp llr llt loa lob lod loe lol loo lop lor lot lpa lpb lpd lpe lpl lpo lpp lpr lpt lra lrb lrd lro lrp lrr lrt lta ltb ltd lte ltl lto ltp ltr ltt oaa oab oad oae oal oao oap oar oat ob- oba obb obd obe obl obo obp obr obt oda odb odd ode odl odo odp odr odt oea oeb oed oee oel oeo oep oer oet ola olb old ole oll olo olp olt oo- ooa oob ood ool ooo oop oor oot op- opa opb opd ope opl opo opp opr opt or- ora orb ord ore orl oro orp orr ort ot- ota otb otd ote otl oto otp otr ott p-p paa pab pad pae pal pao pap par pat pba pbb pbd pbe pbl pbo pbp pbr pbt pda pdb pdd pde pdl pdo pdp pdr pdt pea peb ped pee pel peo pep per pet pla plb pld ple pll plo plp plr plt poa pob pod poe pol poo pop por pot ppa ppb ppd ppe ppl ppo ppp ppr ppt pra prb prd pre prl pro prp prr prt pt- pta ptb ptd pte ptl pto ptp ptr ptt ra- raa rab rad rae ral rao rap rar rat rba rbb rbd rbe rbl rbo rbp rbr rbt rda rdb rdd rde rdl rdo rdp rdr rdt re- rea reb red ree rel reo rep rer ret rla rld rle rll rlo rlp rlr rlt roa rob rod roe rol roo rop ror rot rpa rpb rpd rpe rpl rpo rpp rpr rpt rra rrb rrd rrl rrp rrr rrt rta rtb rtd rte rtl rto rtp rtr rtt taa tab tad tae tal tao tap tar tat tba tbb tbd tbe tbl tbo tbp tbr tbt tda tdb tdd tde tdl tdo tdp tdr tdt te- tea teb ted tee tel teo tep ter tet tla tld tle tll tlo tlp tlr tlt to- toa tob tod toe tol too top tor tot tpa tpb tpd tpe tpl tpo tpp tpr tpt tra trb trd tre trl tro trp trr trt tta ttb ttd tte ttl tto ttp ttr ttt