-al -ol a-a a-b a-i aaa aab aai aal aao aar aav aax ab- aba abb abi abl abo abr abv abx ai- aia aib aii ail aio air aiv aix al- ala alb ali all alo alr alv alx aoa aob aoi aol aoo aor aov aox ar- ara arb ari arl aro arr arv arx av- ava avb avi avl avo avr avx ax- axa axi axl axo axr axv axx baa bab bai bal bao bar bav bax bba bbb bbi bbl bbo bbr bbx bi- bia bib bii bil bio bir biv bix bla blb bli bll blo blr blv blx boa bob boi bol boo bor bov box bra brb bri brl bro brr brv brx bva bvb bvi bvl bvo bvr bvv bxb bxi bxl bxo bxx i-v ia- iaa iab iai ial iao iar iav iba ibb ibi ibl ibo ibr ibv ibx iia iib iii iil iio iir iix il- ila ilb ili ill ilo ilr ilv ilx io- ioa iob ioi iol ioo ior iov ir- ira irb iri irl iro irr irv irx iva ivb ivi ivl ivo ivr ivv ivx ixi ixl la- laa lab lai lal lao lar lav lax lba lbb lbi lbl lbo lbr lbv lbx lia lib lii lil lio lir liv lix lla llb lli lll llo llr llv loa lob loi lol loo lor lov lox lra lrb lri lro lrr lrv lva lvb lvi lvl lvr lvv lvx lxi lxo lxr lxv lxx o-i oaa oab oai oal oao oar oav oax ob- oba obb obi obl obo obr obv obx oia oib oii oil oio oir oiv ola olb oli oll olo oo- ooa oob ooi ool ooo oor oov oox or- ora orb ori orl oro orr orv orx ov- ova ovb ovi ovl ovo ovv ox- oxa oxb oxi oxo oxx ra- raa rab rai ral rao rar rav rax rba rbb rbi rbl rbo rbr rbx ria rib rii ril rio rir riv rix rla rli rll rlo rlr roa rob roi rol roo ror rov rox rra rrb rri rrl rrr rva rvb rvi rvl rvo rvr rvv rxr v-a vaa vab vai val vao var vav vax vba vbi vbl vbo vbr vbv vi- via vib vii vil vio vir viv vix vl- vla vlb vll vlo vlv voa vob voi vol voo vor vov vox vra vrb vri vrr vva vvb vvi vvo vvr vvv vxa vxl vxr vxv xaa xal xar xav xbl xbr xbx xia xii xio xiv xix xla xlb xli xlr xlv xoa xoi xoo xor xov xox xrx xvi xvl xxi xxl xxo xxv xxx