-al a-a a-b a-t aaa aab aad aal aar aas aat ab- aba abb abd abl abr abs abt ad- ada adb add adl adr ads adt al- ala alb ald all alr als alt ar- ara arb ard arl arr ars art as- asa asb asd asl asr ass ast at- ata atb atd atl atr ats att baa bab bad bal bar bas bat bba bbb bbd bbl bbr bbs bbt bda bdb bdd bdl bdr bds bdt bla blb bld bll blr bls blt bra brb brd brl brr brs brt bsa bsb bsd bsl bsr bss bst bta btb btd btl btr bts btt daa dab dad dal dar das dat dba dbb dbd dbl dbr dbs dbt dda ddb ddd ddl ddr dds ddt dl- dla dlb dld dll dlr dls dlt dra drb drd drl drr drs drt dsa dsb dsd dsl dsr dss dst dta dtb dtd dtl dtr dts dtt la- laa lab lad lal lar las lat lba lbb lbd lbl lbr lbs lbt lda ldb ldd ldl ldr lds ldt lla llb lld lll llr lls llt lra lrb lrd lrr lrs lrt lsa lsb lsd lsl lsr lss lst lta ltb ltd ltl ltr lts ltt ra- raa rab rad ral rar ras rat rba rbb rbd rbl rbr rbs rbt rda rdb rdd rdl rdr rds rdt rla rld rll rlr rls rlt rra rrb rrd rrl rrr rrs rrt rsa rsb rsd rsl rsr rss rst rta rtb rtd rtl rtr rts rtt saa sab sad sal sar sas sat sba sbb sbd sbl sbr sbs sbt sda sdb sdd sdl sdr sds sdt sla slb sld sll slr sls slt sr- sra srb srd srl srr srs srt ss- ssa ssb ssd ssl ssr sss sst sta stb std stl str sts stt taa tab tad tal tar tas tat tba tbb tbd tbl tbr tbs tbt tda tdb tdd tdl tdr tds tdt tla tld tll tlr tls tlt tra trb trd trl trr trs trt tsa tsb tsd tsl tsr tss tst tta ttb ttd ttl ttr tts ttt

aaaa aaab aaad aaal aaar aaas aaba aabb aabd aabl aabt aada aads aadt aala aald aall aals aara aard aars aart aasa aasd aass aast aata aatt abaa abab abad abal abar abas abat abb- abba abbb abbr abbs abbt abda abla abls abra abrs abs- absa absd absl abss abta abts adaa adab adad adal adar adas adat adba adda addd addl addr adds adls adra adrs adsa adsl adsr adss adst adta adts alaa alad alal alar alas alat alb- alba albs ald- alda aldl alds all- alla alll allr alls alsa alst alta alts arab arad aral arar aras arat arba arbs arda ardl ards arla arr- arra arrr arrs arrt ars- arsa arsd arst arta artr arts asaa asab asad asal asar asas asat asba asda asdl asds asla aslr asra asrs assa assd assl assr asss asst asta astb astl astr asts at-l at-t ataa atab atad atal atar atas atat atbs atdt atla atls atra atsb atst atta attr atts baaa baad baal baar baas baat baba babb babr babs bada badb badd badr bads bala bald ball bals balt bar- bara barb bard barr bars bart basa bass bast bata bats batt bbad bbas bbbb bbbs bbdd bblb bbls bd-r bdls bdsd blaa blab blad blas blat blbt bldr blls blss blst blts brab brad bras brat brda brds brdt brls brrr brrs brsb brsr brst bsaa bsas bsat bsbd bsdl bsra bsrd bssd bsts btaa btdt btla btrt btss bttb daab daad daal daar daas daba dabb dabs dabt dada dads dala dall dals dalt dara darb dard darl darr dars dart dasa dasb dasd dasl dass dast data datr dats datt dbar dbas dbls dbrs dbsa dbss dbtt dddd ddss ddts dlab dlbd dlrs dlst draa drab drad drar dras drat drba drda drra drrs drsa dsba dsda dsdr dsls dsrr dssa dsst dsts dtaa dtla dtrl dtss laaa laad laal laar laas laat laba labr labs lada ladd lads lala lald lall lara larb lard larr lars lart lasa lasd lass last lata latd lats latt lbar lbds lblr lbrs lbrt ldls ldrs llat llbs lldb llds llll lral lrat lrba lrdd lrds lrrr lrst lrta lrts ls-r lsat lsds lsla lssa lssr lsts ltbl ltds ltra ltrs ltsa ltsr lttr raab raad raas raat raba rabb rabl rabs rada radd radl radr rads radt rala ralb rall ralt rara rarb rars rasa rasd rasl rass rast rata rats ratt rbbb rbbr rbbs rbds rbsd rbsl rbss rbst rdas rlab rlds rldt rlls rrad rras rrat rrrr rsaa rsdd rsdl rsds rssa rssl rsts rtas rtdt rtls rtlt rtss rtts saab saad saal saar saas saat saba sabb sabr sabs sada sadb sadd sadl sadr sads sadt sala sald sall sals salt sara sard sarl sarr sars sart sasa sasd sasl sass sast sata satb satd satl satr sats satt sbaa sbar sbas sbbs sbds sbsa sbsd sbst sdba sdds sdla sdls sdlt sdrs sdsl sdss slaa slab slad slas slat slds slrs slsa slst slts sras srsd srta srtr ssaa ssab ssas ssat ssbr ssdd ssla sslt ssra ssrl ssrs sssa sssb ssss ssta sstb sstd sstl ssts stab stad stal star stas stat stbd stbs stds stld stlt stra strd strs stss sttd sttr taa- taal taar taas taat taba tabb tabl tabs tada tads tala tall tals tara tarb tard tarr tars tart tasa tasb tasr tass tast tata tatb tatr tats tatt tbar tbas tbbs tbrb tbst tbta tdal tddb tdls tdra tdss tldr tlrs traa trab trad tral tras trat trra trsd trst trtr tsaa tsal tsar tsat tsbd tsdb tssa tssr tsst tsts ttab ttbb ttss tttt

-aaa- -abad aaaas aaasa aaass aaata aabaa aabba aabra aadas aadat aalst aarts aasra aatal aatsr abaab ababa ababs abada abala aball abara abasa abass abbad abbar abbas abbat abbrs abdal