-al -er -ol a-a a-b a-i aaa aab aad aae aai aal aao aap aar ab- aba abb abd abe abi abl abo abp abr ad- ada adb add ade adi adl ado adp adr aea aeb aed aee aei ael aeo aep aer ai- aia aib aid aie aii ail aio aip air al- ala alb ald ale ali all alo alp alr aoa aob aod aoe aoi aol aoo aop aor ap- apa apb apd ape api apl apo app apr ar- ara arb ard are ari arl aro arp arr b-p baa bab bad bae bai bal bao bap bar bba bbb bbd bbe bbi bbl bbo bbp bbr bda bdb bdd bde bdi bdl bdo bdp bdr be- bea beb bed bee bei bel beo bep ber bi- bia bib bid bie bii bil bio bip bir bla blb bld ble bli bll blo blp blr boa bob bod boe boi bol boo bop bor bpa bpb bpd bpe bpi bpl bpo bpp bpr bra brb brd bre bri brl bro brp brr daa dab dad dae dai dal dao dap dar dba dbb dbd dbe dbi dbl dbo dbp dbr dda ddb ddd dde ddi ddl ddo ddp ddr de- dea deb ded dee dei del deo dep der di- dia dib did die dii dil dio dip dir dl- dla dlb dld dle dli dll dlo dlp dlr doa dob dod doe doi dol doo dop dor dpa dpb dpd dpe dpi dpl dpo dpp dpr dra drb drd dre dri drl dro drp drr eaa eab ead eae eai eal eao eap ear eba ebb ebd ebe ebi ebl ebo ebp ebr ed- eda edb edd ede edi edl edo edp edr eea eeb eed eee eel eeo eep eer eia eib eid eie eii eil eio eip eir ela elb eld ele eli ell elo elp elr eo- eoa eob eod eoe eoi eol eoo eop eor ep- epa epb epd epe epi epl epo epp epr era erb erd ere eri erl ero erp err i-d ia- iaa iab iad iae iai ial iao iap iar iba ibb ibd ibe ibi ibl ibo ibp ibr ida idb idd ide idi idl ido idp idr ie- iea ied iee iei iel iep ier iia iib iid iie iii iil iio iip iir il- ila ilb ild ile ili ill ilo ilp ilr io- ioa iob iod ioe ioi iol ioo iop ior ipa ipb ipd ipe ipi ipl ipo ipp ipr ir- ira irb ird ire iri irl iro irp irr l-p la- laa lab lad lae lai lal lao lap lar lba lbb lbd lbe lbi lbl lbo lbp lbr lda ldb ldd lde ldi ldl ldo ldp ldr lea leb led lee lei lel leo lep ler lia lib lid lie lii lil lio lip lir lla llb lld lle lli lll llo llp llr loa lob lod loe loi lol loo lop lor lpa lpb lpd lpe lpi lpl lpo lpp lpr lra lrb lrd lri lro lrp lrr o-i oaa oab oad oae oai oal oao oap oar ob- oba obb obd obe obi obl obo obp obr oda odb odd ode odi odl odo odp odr oea oeb oed oee oei oel oeo oep oer oia oib oid oie oii oil oio oip oir ola olb old ole oli oll olo olp oo- ooa oob ood ooi ool ooo oop oor op- opa opb opd ope opi opl opo opp opr or- ora orb ord ore ori orl oro orp orr p-p paa pab pad pae pai pal pao pap par pba pbb pbd pbe pbi pbl pbo pbp pbr pda pdb pdd pde pdi pdl pdo pdp pdr pea peb ped pee pei pel peo pep per pia pib pid pie pii pil pio pip pir pla plb pld ple pli pll plo plp plr poa pob pod poe poi pol poo pop por ppa ppb ppd ppe ppi ppl ppo ppp ppr pra prb prd pre pri prl pro prp prr ra- raa rab rad rae rai ral rao rap rar rba rbb rbd rbe rbi rbl rbo rbp rbr rda rdb rdd rde rdi rdl rdo rdp rdr re- rea reb red ree rei rel reo rep rer ria rib rid rie rii ril rio rip rir rla rld rle rli rll rlo rlp rlr roa rob rod roe roi rol roo rop ror rpa rpb rpd rpe rpi rpl rpo rpp rpr rra rrb rrd rri rrl rrp rrr