-al -ol a-a a-b a-i aaa aab aad aag aai aal aao ab- aba abb abd abg abi abl abo ad- ada adb add adg adi adl ado ag- aga agb agd agg agi agl ago ai- aia aib aid aig aii ail aio al- ala alb ald alg ali all alo aoa aob aod aog aoi aol aoo baa bab bad bag bai bal bao bba bbb bbd bbg bbi bbl bbo bda bdb bdd bdg bdi bdl bdo bga bgb bgd bgg bgi bgl bgo bi- bia bib bid big bii bil bio bla blb bld blg bli bll blo boa bob bod bog boi bol boo daa dab dad dag dai dal dao dba dbb dbd dbg dbi dbl dbo dda ddb ddd ddg ddi ddl ddo dga dgd dgg dgi dgl di- dia dib did dig dii dil dio dl- dla dlb dld dlg dli dll dlo doa dob dod dog doi dol doo g-d gaa gab gad gag gai gal gao gba gbd gbg gbi gbl gbo gda gdb gdd gdi gdl gdo gga ggb ggd ggg ggi ggo gia gib gid gig gii gil gio gla glb gld glg gli gll glo goa gob god gog goi gol goo i-d ia- iaa iab iad iag iai ial iao iba ibb ibd ibg ibi ibl ibo ida idb idd idg idi idl ido iga igb igd igg igi igl igo iia iib iid iii iil iio il- ila ilb ild ilg ili ill ilo io- ioa iob iod iog ioi iol ioo la- laa lab lad lag lai lal lao lba lbb lbd lbg lbi lbl lbo lda ldb ldd ldg ldi ldl ldo lga lgb lgd lgg lgi lgl lgo lia lib lid lig lii lil lio lla llb lld llg lli lll llo loa lob lod log loi lol loo o-i oaa oab oad oag oai oal oao ob- oba obb obd obg obi obl obo oda odb odd odg odi odl odo oga ogd ogg ogi ogl ogo oia oib oid oii oil oio ola olb old olg oli oll olo oo- ooa oob ood oog ooi ool ooo