-al a-a a-b a-i aaa aab aad aai aal aar aav ab- aba abb abd abi abl abr abv ad- ada adb add adi adl adr adv ai- aia aib aid aii ail air aiv al- ala alb ald ali all alr alv ar- ara arb ard ari arl arr arv av- ava avb avd avi avl avr baa bab bad bai bal bar bav bba bbb bbd bbi bbl bbr bda bdb bdd bdi bdl bdr bdv bi- bia bib bid bii bil bir biv bla blb bld bli bll blr blv bra brb brd bri brl brr brv bva bvb bvd bvi bvl bvr bvv daa dab dad dai dal dar dav dba dbb dbd dbi dbl dbr dbv dda ddb ddd ddi ddl ddr di- dia dib did dii dil dir div dl- dla dlb dld dli dll dlr dlv dra drb drd dri drl drr drv dva dvb dvd dvi dvl dvr i-d i-v ia- iaa iab iad iai ial iar iav iba ibb ibd ibi ibl ibr ibv ida idb idd idi idl idr idv iia iib iid iii iil iir il- ila ilb ild ili ill ilr ilv ir- ira irb ird iri irl irr irv iva ivb ivd ivi ivl ivr ivv la- laa lab lad lai lal lar lav lba lbb lbd lbi lbl lbr lbv lda ldb ldd ldi ldl ldr ldv lia lib lid lii lil lir liv lla llb lld lli lll llr llv lra lrb lrd lri lrr lrv lva lvb lvd lvi lvl lvr lvv ra- raa rab rad rai ral rar rav rba rbb rbd rbi rbl rbr rda rdb rdd rdi rdl rdr rdv ria rib rid rii ril rir riv rla rld rli rll rlr rra rrb rrd rri rrl rrr rva rvb rvd rvi rvl rvr rvv v-a vaa vab vad vai val var vav vba vbd vbi vbl vbr vbv vdb vdd vdi vdl vdr vdv vi- via vib vid vii vil vir viv vl- vla vlb vld vll vlv vra vrb vrd vri vrr vva vvb vvi vvr vvv