-al -ol a-a a-b a-i aaa aab aad aai aal aao aav ab- aba abb abd abi abl abo abv ad- ada adb add adi adl ado adv ai- aia aib aid aii ail aio aiv al- ala alb ald ali all alo alv aoa aob aod aoi aol aoo aov av- ava avb avd avi avl avo baa bab bad bai bal bao bav bba bbb bbd bbi bbl bbo bda bdb bdd bdi bdl bdo bdv bi- bia bib bid bii bil bio biv bla blb bld bli bll blo blv boa bob bod boi bol boo bov bva bvb bvd bvi bvl bvo bvv daa dab dad dai dal dao dav dba dbb dbd dbi dbl dbo dbv dda ddb ddd ddi ddl ddo di- dia dib did dii dil dio div dl- dla dlb dld dli dll dlo dlv doa dob dod doi dol doo dov dva dvb dvd dvi dvl i-d i-v ia- iaa iab iad iai ial iao iav iba ibb ibd ibi ibl ibo ibv ida idb idd idi idl ido idv iia iib iid iii iil iio il- ila ilb ild ili ill ilo ilv io- ioa iob iod ioi iol ioo iov iva ivb ivd ivi ivl ivo ivv la- laa lab lad lai lal lao lav lba lbb lbd lbi lbl lbo lbv lda ldb ldd ldi ldl ldo ldv lia lib lid lii lil lio liv lla llb lld lli lll llo llv loa lob lod loi lol loo lov lva lvb lvd lvi lvl lvv o-i oaa oab oad oai oal oao oav ob- oba obb obd obi obl obo obv oda odb odd odi odl odo odv oia oib oid oii oil oio oiv ola olb old oli oll olo oo- ooa oob ood ooi ool ooo oov ov- ova ovb ovd ovi ovl ovo ovv v-a vaa vab vad vai val vao vav vba vbd vbi vbl vbo vbv vdb vdd vdi vdl vdo vdv vi- via vib vid vii vil vio viv vl- vla vlb vld vll vlo vlv voa vob vod voi vol voo vov vva vvb vvi vvo vvv