-al -ol a-a a-b a-t aaa aab aal aao aar aat ab- aba abb abl abo abr abt al- ala alb all alo alr alt aoa aob aol aoo aor aot ar- ara arb arl aro arr art at- ata atb atl ato atr att baa bab bal bao bar bat bba bbb bbl bbo bbr bbt bla blb bll blo blr blt boa bob bol boo bor bot bra brb brl bro brr brt bta btb btl bto btr btt la- laa lab lal lao lar lat lba lbb lbl lbo lbr lbt lla llb lll llo llr llt loa lob lol loo lor lot lra lrb lro lrr lrt lta ltb ltl lto ltr ltt oaa oab oal oao oar oat ob- oba obb obl obo obr obt ola olb oll olo olt oo- ooa oob ool ooo oor oot or- ora orb orl oro orr ort ot- ota otb otl oto otr ott ra- raa rab ral rao rar rat rba rbb rbl rbo rbr rbt rla rll rlo rlr rlt roa rob rol roo ror rot rra rrb rrl rrr rrt rta rtb rtl rto rtr rtt taa tab tal tao tar tat tba tbb tbl tbo tbr tbt tla tll tlo tlr tlt to- toa tob tol too tor tot tra trb trl tro trr trt tta ttb ttl tto ttr ttt

aaaa aaab aaal aaar aaba aabb aabl aabt aala aall aalo aaoo aara aaro aart aata aatt abaa abab abal abar abat abb- abba abbb abbo abbr abbt abla ablo aboa abob abol aboo abor abot abra abro abta alaa alal alao alar alat alb- alba albo all- alla alll allo allr aloa alol aloo alor alot alro alta alto aoba aola aora aorb aort arab aral arar arat arba arla arlo aroa arob aroo aror arr- arra arro arrr arrt arta arto artr at-l at-t ataa atab atal atar atat atla atlo atob atol ator atot atra atro atta atto attr baaa baal baar baat baba babb babo babr bala ball balo balt baol bar- bara barb baro barr bart bata bato batt bbbb bblb blaa blab blat blbt blob bloo blot boab boal boar boat boba bobb bobo bola boll bolo bolt boob bool boor boot bor- bora boro borr bort bota botb boto bott brab brao brat broa brob brol broo bror brot brrr btaa btla btob btor btrt bttb laaa laal laar laat laba labo labr lala lall lalo lara larb larr lart lata lato latt lbar lblr lbrt llao llat llll lloa lloo loar loat lob- loba lobb lobo lola loll lolo loob lool loor loot lora loro lota lotl loto lotr lott lral lrat lrba lrrr lrta ltbl ltra lttr oall oara obal obba obbo obla obol obor obot obra obro olar olat olba olbo olla ollo olor olot olta ooaa ooba oola oolo oooo oora oort ootb orab oral orao orar orat orba orbb orbo orla orlo oro- oror orot orra orro orta orto otar oto- otoo otor otra otro otta otto raab raat raba rabb rabl rabo rala ralb rall ralo ralt raob raol rara rarb raro rata rato ratt rbbb rbbr rlab roab roar roat rob- roba robb robo robt rola roll rolo rolt roob rool roor root rora roro rort rota rotl roto rotr rott rrat rrrr rtlt taa- taal taar taat taba tabb tabl tabo tala tall talo taoa taor tara tarb taro tarr tart tata tatb tato tatr tatt tbar tbrb tbta toab toal toat toba tobo tobt tol- tola toll tolo tolt tooa tool toor toot tora toro torr tort tota toto totr tott traa trab tral trao trat troa troo trot trra trtr ttab ttbb tttt

-aaa- aaata aabaa aabba aabra aalto aatal abaab ababa abala aball abalo abara abbar abbat abbot ablot aboab aboat abobl abobo abolt aboot abora abort abott abrar abrol abtaa abtao abtar alaba alala alaol alara alata alato albal albar albo- albor albot allal allar allat allbo allo- alloa alloo allor allot allra allto aloba aloor alora aloto alt-a altar alto- altor altra altro altto aort- aorta ar-ab araat arab- araba arabo arara arata arbab arbar arbat arbol arbor arbot arlob aroab aroar aroba arola aroll aroor aroot arora artal artar artat arto- artoo artot atala atall atara atbar atbat atlo- atoll atool atoot atora atoto atrab atral atro- atroa atrot attal attar attla atto- attol attra baart baata babar babol baboo babot babra balal balao balar balat balbo balla ballo ballt baloo balor balot balta balto baoro baraa barab baral barao barar barat barba barla barlt baro- baroa baroo baror barot barra barro barta bartl barto batab batar batat batob batoo bator batra batta batto bball bbart blart blata blato blatt bloat bloor blorb blort blota bloto blott bo-bo boaro boart bobal bobar bobla bobr bolar bolat boll- bolla bollo bolto booat booba boola boora boort boota boral borat borba borbo borla boro- boroa boroo borot borra borro botar botro botta braal braat brall bratt brobo broll brolo brool brora broto brrar brrrr btr-t la-la labab labat labba labor labra labro lalab lalar lalla lalo- lalor lalta laoat laroo larra latab latal latar lator latro latta lball loaba loara loatt lobal lobar lobbo lobo- lobor lolat lolla lollo lolol loola loora loral lorra lorta lotar lotor lotta lotto o-r-b oaror obaba obala obara obata oblat obolo obora oboro obrab obrat olala ooola ooooo ootla oraal oraba oralb orara orato orbal orbot orlat orobo ortal ortoo otala otara otoba otola otolo ototo otrar ottar ra-ra raaba raaor rabab rabal rabat rabba rabor rabot rabta ralla rallo ratal ratba ratla ratot ratra ratta ratto rboat ro-ro roall robab robar robat robbo robo- robor robot robrt rolao rolla rollo rooba roota roral rorra rota- rotal rotar rotla roto- rotoa rotol rotor rotot rotta rotto t-ara t-bar ta-ra ta-ta taabo taart tabal tabar tabat tabla tablo tabo- taboo tabor tabot tabra talab talal talar talat talla talo- taral tarar tarat tarla tarlo tarob taroo tarot tarra tarro