-al -ol a-a a-b aaa aab aad aal aao aar aau aav ab- aba abb abd abl abo abr abu abv ad- ada adb add adl ado adr adu adv al- ala alb ald all alo alr alu alv aoa aob aod aol aoo aor aou aov ar- ara arb ard arl aro arr aru arv au- aua aub aud aul auo aur auv av- ava avb avd avl avo avr avu b-u baa bab bad bal bao bar bau bav bba bbb bbd bbl bbo bbr bbu bda bdb bdd bdl bdo bdr bdu bdv bla blb bld bll blo blr blu blv boa bob bod bol boo bor bou bov bra brb brd brl bro brr bru brv bua bub bud bul buo bur buu bva bvb bvd bvl bvo bvr bvu bvv daa dab dad dal dao dar dau dav dba dbb dbd dbl dbo dbr dbu dbv dda ddb ddd ddl ddo ddr ddu dl- dla dlb dld dll dlo dlr dlu dlv doa dob dod dol doo dor dou dov dra drb drd drl dro drr dru drv dua dub dud dul duo dur duv dva dvb dvd dvl dvr dvu la- laa lab lad lal lao lar lau lav lba lbb lbd lbl lbo lbr lbu lbv lda ldb ldd ldl ldo ldr ldu ldv lla llb lld lll llo llr llu llv loa lob lod lol loo lor lou lov lra lrb lrd lro lrr lru lrv lua lub lud lul luo lur luu luv lva lvb lvd lvl lvr lvv oaa oab oad oal oao oar oau oav ob- oba obb obd obl obo obr obu obv oda odb odd odl odo odr odu odv ola olb old oll olo olu oo- ooa oob ood ool ooo oor oov or- ora orb ord orl oro orr oru orv ou- oua oud oul ouo our ov- ova ovb ovd ovl ovo ovv ra- raa rab rad ral rao rar rau rav rba rbb rbd rbl rbo rbr rbu rda rdb rdd rdl rdo rdr rdu rdv rla rld rll rlo rlr rlu roa rob rod rol roo ror rou rov rra rrb rrd rrl rrr rru rua rub rud ruo rur ruu ruv rva rvb rvd rvl rvo rvr rvu rvv ua- uaa uab uad ual uao uar uau uav uba ubb ubl ubo ubr ubu ubv uda udb udd udl udo udr udu udv ula ulb uld ull ulo ulr ulu ulv uoa uob uod uol uoo uor ur- ura urb urd url uro urr uru uua uur uuu uva uvb uvl uvo uvu uvv v-a vaa vab vad val vao var vau vav vba vbd vbl vbo vbr vbv vdb vdd vdl vdo vdr vdu vdv vl- vla vlb vld vll vlo vlv voa vob vod vol voo vor vou vov vra vrb vrd vrr vru vul vur vuv vva vvb vvo vvr vvv

a-do aaaa aaab aaad aaal aaar aaav aaba aabb aabd aabl aada aadu aala aald aall aalo aalu aaoo aara aard aaro aaru aava abaa abab abad abal abar abau abb- abba abbb abbo abbr abda abdo abdu abla ablo ablv aboa abob abod abol aboo abor abou abov abra abro abua abud abul abva abvd adaa adab adad adal adao adar adba adda addd addl addo addr addu adob adod adoo ador adra adro adua adub adur advb alaa alad alal alao alar alau alb- alba albo albu ald- alda aldl aldo all- alla alll allo allr allu aloa alod alol aloo alor alou alov alro alua alur alva alvo aoba aola aora aorb aoul arab arad aral arar arau arba arda ardl ardo ardu arla arlo aroa arob arod aroo aror arr- arra arro arrr arru arua arub arud arul arva arvo auaa audo aul- aula auld aull aulo aulu auol aur- aura aurd auro avab aval avao avar avda avlb avor avou avra avro avur avva avvo baaa baad baal baar baba babb babo babr babu bada badb badd bado badr badu bala bald ball balo balu baol bar- bara barb bard baro barr baru bau- baud baul baur bava bavu bbad bbau bbbb bbdd bbdo bblb bd-r bdav blaa blab blad blau bldr blob blod bloo blou blub blud blur blvd boab boad boal boar boba bobb bobo bobu boda bodb bodo bodu bola bold boll bolo bolu boob bood bool boor bor- bora bord boro borr boru boua boud boul bour bova bovo brab brad brao brau brav brda brdo broa brob brod brol broo bror brou brrr brud bruv buad bual buar buba bubb bubo bubu buda budb budd budl budo budu bula bulb buld bull bulu buol bur- bura burb burd burl buro burr buru buvd bvdu d-bo daab daad daal daar daau daba dabb dabo dabu dada dado dadu dala dall dalo dalu daou dara darb dard darl daro darr daru daub daud daur dava dbar dddd ddub dlab dlbd dlvo doab doal doar doba dobb dobl dobu dod- doda dodd dodo dola dold doll dolo dolu doob dood dool door dora dord doro dorr doru doub doud doul dour draa drab drad drar drau drba drda drob drod drol drou drra drua drub druu druv duaa duab duad dual duar dub- duba dubb dubu duda dudd dudo dudu dula dull dulo dulu duo- dura duro duru duul duur duva dvar dvda dvdr dvla dvoa dvor dvra dvvl laaa laad laal laar laba labo labr labu lada ladd lado ladu lala lald lall lalo lalu laou lara larb lard larr laru larv laub laud laul laur lava lavo lbar lblr lddv llao lldb llll lloa llod lloo llud lo-v load loar lob- loba lobb lobo loda lola lold loll lolo loob lood lool loor lora lord loro loud loul lour louu lovo lral lrba lrdd lrrr luau luba luda ludd ludo lula lull lulu lura lurd lurv luua luvd lvad lvov lvrr oaau oall oara obad obal obba obbo obla oblu obol obor obra obro odal odbo odda oddd