-al -ol a-a a-b a-t aaa aab aal aao aap aar aat ab- aba abb abl abo abp abr abt al- ala alb all alo alp alr alt aoa aob aol aoo aop aor aot ap- apa apb apl apo app apr apt ar- ara arb arl aro arp arr art at- ata atb atl ato atp atr att b-p baa bab bal bao bap bar bat bba bbb bbl bbo bbp bbr bbt bla blb bll blo blp blr blt boa bob bol boo bop bor bot bpa bpb bpl bpo bpp bpr bpt bra brb brl bro brp brr brt bta btb btl bto btp btr btt l-p la- laa lab lal lao lap lar lat lba lbb lbl lbo lbp lbr lbt lla llb lll llo llp llr llt loa lob lol loo lop lor lot lpa lpb lpl lpo lpp lpr lpt lra lrb lro lrp lrr lrt lta ltb ltl lto ltp ltr ltt oaa oab oal oao oap oar oat ob- oba obb obl obo obp obr obt ola olb oll olo olp olt oo- ooa oob ool ooo oop oor oot op- opa opb opl opo opp opr opt or- ora orb orl oro orp orr ort ot- ota otb otl oto otp otr ott p-p paa pab pal pao pap par pat pba pbb pbl pbo pbp pbr pbt pla plb pll plo plp plr plt poa pob pol poo pop por pot ppa ppb ppl ppo ppp ppr ppt pra prb prl pro prp prr prt pt- pta ptb ptl pto ptp ptr ptt ra- raa rab ral rao rap rar rat rba rbb rbl rbo rbp rbr rbt rla rll rlo rlp rlr rlt roa rob rol roo rop ror rot rpa rpb rpl rpo rpp rpr rpt rra rrb rrl rrp rrr rrt rta rtb rtl rto rtp rtr rtt taa tab tal tao tap tar tat tba tbb tbl tbo tbp tbr tbt tla tll tlo tlp tlr tlt to- toa tob tol too top tor tot tpa tpb tpl tpo tpp tpr tpt tra trb trl tro trp trr trt tta ttb ttl tto ttp ttr ttt

aaaa aaab aaal aaap aaar aaba aabb aabl aabp aabt aala aall aalo aaoo aapa aapl aapo aapt aara aaro aarp aart aata aatt abaa abab abal abap abar abat abb- abba abbb abbo abbr abbt abla ablo aboa abob abol aboo abor abot abpa abpp abpr abra abro abta al-p alaa alal alao alap alar alat alb- alba albo all- alla alll allo allr aloa alol aloo alop alor alot alpa alpl alpo alro alta alto aoba aola aopo aora aorb aort apal apao apap apar apat apba apbr apl- apla aplp apo- apoo apop apor apot appa appl appr appt apra apro aprt apta aptt arab aral arap arar arat arba arla arlo aroa arob aroo aror arpa arpl arr- arra arro arrr arrt arta arto artr at-l at-t ataa atab atal atap atar atat atla atlo atob atol atop ator atot atpr atra atro atrp atta atto attp attr baaa baal baar baat baba babb babo babr bala ball balo balt baol bapa bapp bapt bar- bara barb baro barr bart bata bato batt bbbb bblb bbpr blaa blab blat blbt blob bloo blop blot boab boal boar boat boba bobb bobo bola boll bolo bolt boob bool boop boor boot bopa bopp bor- bora boro borr bort bota botb boto bott bpot brab brao brat brlp broa brob brol broo bror brot brrr btaa btbp btla btlp btob btor btrt bttb laaa laal laap laar laat laba labo labr lala lall lalo lapa lapb lapp lapt lara larb larp larr lart lata lato latt lbar lblr lbrt llao llat llll lloa lloo loap loar loat lob- loba lobb lobo lola loll lolo loob lool loop loor loot lopa lopp lora loro lota lotl loto lotr lott lpla lppl lprp lptb lral lrat lrba lrrr lrta ltap ltbl ltpa 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 ootp opal opap opar opla opo- opor oppa oppo opra opto orab oral orao orar orat orba orbb orbo orla orlo oro- oror orot orra orro orta orto otap otar oto- otoo otor otpp otra otro otta otto paal paap paar paat paba pabt pala pall palo palp palt papa papb papp papr par- para parl paro parp parr part pata pato patr patt pbar pbpa plaa plab plap plar plat plbr plob ploo plop plot plpa plpp plra pltt poar poat poba pobo pola poll polo polt pool poop poor poot pop- popa popo popp popt pora porb poro porr port pota poto pott ppal ppap ppar pplo ppoa pppa pppo pppp ppta pptt prao prar prat prlr pro- proa prob prol proo prop prot prtp prtr ptab ptal ptbl ptol ptop raab raat raba rabb rabl rabo rala ralb rall ralo ralt raob raol raop rapa rapl rapp rapt rara rarb raro rata rato ratp ratt rbbb rbbr rlab roab roap roar roat rob- roba robb robo robt rola roll rolo rolp rolt roob rool roop roor root ropa ropo rora roro rort rota rotl roto rotr rott rpob rpta rrat rrrr rtlt rtpa rttp taa- taal taar taat taba tabb tabl tabo tala tall talo taoa taor tapa tapo tapp tapr tapt tara tarb taro tarp tarr tart tata tatb tato tatr tatt tbar tbrb tbta tbtp tlpa toab toal toat toba tobo tobt tol- tola toll tolo tolt tooa tool toor toot top- topa topo topp topt tora toro torp torr tort tota toto totr tott tpap tpol tppa tppp tppr tptp tptr traa trab tral trao trap trat troa troo trop trot trpa trpp trra trtr ttab ttbb ttop tttt

-aaa- a-a-p a-lop aaata aabaa aabba aabra aalto aarop aatal abaab ababa abala aball abalo abapo abara abbar abbat abbot ablot aboab aboat