-al -ol a-a a-b aaa aab aaf aal aao aar aav ab- aba abb abf abl abo abr abv af- afa afb aff afl afo afr afv al- ala alb alf all alo alr alv aoa aob aof aol aoo aor aov ar- ara arb arf arl aro arr arv av- ava avb avf avl avo avr baa bab baf bal bao bar bav bba bbb bbf bbl bbo bbr bfa bfb bff bfl bfo bfr bfv bla blb blf bll blo blr blv boa bob bof bol boo bor bov bra brb brf brl bro brr brv bva bvb bvl bvo bvr bvv faa fab faf fal fao far fav fba fbb fbf fbl fbo fbr ffa fff ffl ffo ffr ffv fla flb flf fll flo flr foa fob fof fol foo for fra frb frf frl fro frr fva la- laa lab laf lal lao lar lav lba lbb lbf lbl lbo lbr lbv lfa lfb lff lfl lfo lfr lla llb llf lll llo llr llv loa lob lof lol loo lor lov lra lrb lrf lro lrr lrv lva lvb lvf lvl lvr lvv oaa oab oaf oal oao oar oav ob- oba obb obf obl obo obr obv of- ofa ofb off ofl ofo ofr ofv ola olb olf oll olo oo- ooa oob oof ool ooo oor oov or- ora orb orf orl oro orr orv ov- ova ovb ovf ovl ovo ovv ra- raa rab raf ral rao rar rav rba rbb rbf rbl rbo rbr rfa rfb rff rfl rfo rfr rfv rla rlf rll rlo rlr roa rob rof rol roo ror rov rra rrb rrf rrl rrr rva rvb rvf rvl rvo rvr rvv v-a vaa vab val vao var vav vba vbl vbo vbr vbv vfa vfb vff vfl vfr vfv vl- vla vlb vlf vll vlo vlv voa vob vof vol voo vor vov vra vrb vrf vrr vva vvb vvo vvr vvv

aaaa aaab aaaf aaal aaar aaav aaba aabb aabl aafa aafb aaff aafl aala aall aalo aaoo aara aaro aava abaa abab abaf abal abar abb- abba abbb abbo abbr abff abla ablo ablv aboa abob abof abol aboo abor abov abra abro abva afaa afao afar affa affo afla afoa afol afoo afor afr- afra afro alaa alal alao alar alb- alba albo alfa all- alla alll allo allr aloa alof alol aloo alor alov alro alva alvo aoba aola aora aorb arab araf aral arar arba arfa arfb arff arla arlo aroa arob aroo aror arr- arra arro arrr arva arvo avab aval avao avar avlb avor avra avro avva avvo baaa baaf baal baar baba babb babo babr baff bafo bala balf ball balo baol bar- bara barb barf baro barr bava bbbb bblb bffl blaa blab blob bloo boab boal boar boba bobb bobo bofa boff bola boll bolo boob boof bool boor bor- bora borf boro borr bova bovo brab braf brao brav broa brob brol broo bror brrr faaa faba fabo fafa faff fafo fala fall falo fara farb farl faro farr fava fbar fbla ffar ffff ffrr flab flao flav flob floo flor foaf foal foar foba fofo fola foll folo folr foof fool for- fora forb forl foro forr fr-v frab frla frob frol laaa laal laar laba labo labr lafb laff lala lall lalo lara larb larf larr larv lava lavo lbar lblr llao llll lloa lloo lo-v loaf loar lob- loba lobb lobo lofa loff lola loll lolo loob loof lool loor lora loro lovo lral lrba lrrr lvov lvrr oafo oall oara obal obba obbo obfv obla obol obor obra obro off- offa offo offr ofla ofor ofra olaf olar olav olba olbo olfa olla ollo olof olor olov ooaa ooba ooff oola oolo oooo oora orab oral orao orar orav orba orbb orbo orff orla orlo oro- orof oror orra orro orvr oval ovar ovfl ovo- ovol ovoo ovra raab raaf raba rabb rabl rabo rafa raff rala ralb ralf rall ralo raob raol rara rarb rarf raro rava rbaf rbbb rbbr rffl rlab roab roaf roar rob- roba robb robo roff rofl rofo rola rolf roll rolo roob roof rool roor rora roro rova rovo rrrr vaal vaar vafa vala vall valo vara varf varr vava vflo vfor vlab vlba voar voff vofr vola volf voll volo vool voor vor- vora voro vrav vrba vrbl vvob vvvv

-aaa- aabaa aabba aabra abaab ababa abala aball abalo abara abava abbar abfab aboab abobl abobo abora abovo abrar abrol afall afara affor aflao afofl afool afro- afrob afrol afvor alaba alala alaol alara alava albal albar albo- albor allaf allal allar allbo allo- alloa allof alloo allor allra aloaf aloba aloof aloor alora alorf alvar alvor ar-ab arab- araba arabo arafo arara arava arbab arbar arbol arbor arlob aroab aroar aroba arola aroll aroof aroor arora arval arvar avala avara avaro avlab avola baava babar babol baboo babra baffa baflo bafra balal balao balar balav balbo balla ballo baloo balor balov baoro baraa barab baral barao barar barba barff barla baro- baroa barof baroo baror barra barro barva bavar bavla bavra bball blaff blava bloor blorb bo-bo boaro bobal bobar bobla bobov bobr bofal boffa boffo bolar boll- bolla bollo booba boola boora boral borba borbo borla boro- boroa boroo borov borra borro borvo braal braff brall brava bravo brobo broll brolo brool brora brova brrar brrrr fa-la faala fabal fabbo faboo fabor fabra fabro falfa fall- falla fallo faora farab farao farbo farfa farob farol faroo farro favob favor flaff flav- flava floor flora floro fobar fofao folar follo for-a forra forro forvo fraba la-la labab labba labor labra labro lalab lalar lalla lalo- lalor laroo larra larva lavaa laval lavra lball loaba loara lobal lobar lobbo lobo- lobor lobov lofar lofra lolla lollo lolol loofa loola loora loral lorra loval lovoa lovro lvovo o-r-b oaror obaba obala obara obava obolo obora oboro obrab obrov obrva ofafa ofall offal offof ofora olafv