-al -ol a-a a-b a-i aaa aab aad aai aal aao aap ab- aba abb abd abi abl abo abp ad- ada adb add adi adl ado adp ai- aia aib aid aii ail aio aip al- ala alb ald ali all alo alp aoa aob aod aoi aol aoo aop ap- apa apb apd api apl apo app b-p baa bab bad bai bal bao bap bba bbb bbd bbi bbl bbo bbp bda bdb bdd bdi bdl bdo bdp bi- bia bib bid bii bil bio bip bla blb bld bli bll blo blp boa bob bod boi bol boo bop bpa bpb bpd bpi bpl bpo bpp daa dab dad dai dal dao dap dba dbb dbd dbi dbl dbo dbp dda ddb ddd ddi ddl ddo ddp di- dia dib did dii dil dio dip dl- dla dlb dld dli dll dlo dlp doa dob dod doi dol doo dop dpa dpb dpd dpi dpl dpo dpp i-d ia- iaa iab iad iai ial iao iap iba ibb ibd ibi ibl ibo ibp ida idb idd idi idl ido idp iia iib iid iii iil iio iip il- ila ilb ild ili ill ilo ilp io- ioa iob iod ioi iol ioo iop ipa ipb ipd ipi ipl ipo ipp l-p la- laa lab lad lai lal lao lap lba lbb lbd lbi lbl lbo lbp lda ldb ldd ldi ldl ldo ldp lia lib lid lii lil lio lip lla llb lld lli lll llo llp loa lob lod loi lol loo lop lpa lpb lpd lpi lpl lpo lpp o-i oaa oab oad oai oal oao oap ob- oba obb obd obi obl obo obp oda odb odd odi odl odo odp oia oib oid oii oil oio oip ola olb old oli oll olo olp oo- ooa oob ood ooi ool ooo oop op- opa opb opd opi opl opo opp p-p paa pab pad pai pal pao pap pba pbb pbd pbi pbl pbo pbp pda pdb pdd pdi pdl pdo pdp pia pib pid pii pil pio pip pla plb pld pli pll plo plp poa pob pod poi pol poo pop ppa ppb ppd ppi ppl ppo ppp