-al -ol a-a a-b a-t aaa aab aal aao aar aas aat ab- aba abb abl abo abr abs abt al- ala alb all alo alr als alt aoa aob aol aoo aor aos aot ar- ara arb arl aro arr ars art as- asa asb asl aso asr ass ast at- ata atb atl ato atr ats att baa bab bal bao bar bas bat bba bbb bbl bbo bbr bbs bbt bla blb bll blo blr bls blt boa bob bol boo bor bos bot bra brb brl bro brr brs brt bsa bsb bsl bso bsr bss bst bta btb btl bto btr bts btt la- laa lab lal lao lar las lat lba lbb lbl lbo lbr lbs lbt lla llb lll llo llr lls llt loa lob lol loo lor los lot lra lrb lro lrr lrs lrt lsa lsb lsl lso lsr lss lst lta ltb ltl lto ltr lts ltt oaa oab oal oao oar oas oat ob- oba obb obl obo obr obs obt ola olb oll olo ols olt oo- ooa oob ool ooo oor oos oot or- ora orb orl oro orr ors ort os- osa osb osl oso osr oss ost ot- ota otb otl oto otr ots ott ra- raa rab ral rao rar ras rat rba rbb rbl rbo rbr rbs rbt rla rll rlo rlr rls rlt roa rob rol roo ror ros rot rra rrb rrl rrr rrs rrt rsa rsb rsl rso rsr rss rst rta rtb rtl rto rtr rts rtt saa sab sal sao sar sas sat sba sbb sbl sbo sbr sbs sbt sla slb sll slo slr sls slt soa sob sol soo sor sos sot sr- sra srb srl sro srr srs srt ss- ssa ssb ssl sso ssr sss sst sta stb stl sto str sts stt taa tab tal tao tar tas tat tba tbb tbl tbo tbr tbs tbt tla tll tlo tlr tls tlt to- toa tob tol too tor tos tot tra trb trl tro trr trs trt tsa tsb tsl tso tsr tss tst tta ttb ttl tto ttr tts ttt

aaaa aaab aaal aaar aaas aaba aabb aabl aabt aala aall aalo aals aaoo aara aaro aars aart aasa aass aast aata aatt abaa abab abal abar abas abat abb- abba abbb abbo abbr abbs abbt abla ablo abls aboa abob abol aboo abor abos abot abra abro abrs abs- absa absl abss abta abts alaa alal alao alar alas alat alb- alba albo albs all- alla alll allo allr alls aloa alol aloo alor alos alot alro alsa also alst alta alto alts aoba aola aora aorb aors aort aoss arab aral arar aras arat arba arbs arla arlo aroa arob aroo aror aros arr- arra arro arrr arrs arrt ars- arsa arso arst arta arto artr arts asaa asab asal asao asar asas asat asba asbo asla aslo aslr asob asor asos asot asra asro asrs assa assl asso assr asss asst asta astb astl asto astr asts at-l at-t ataa atab atal atar atas atat atbs atla atlo atls atob atol ator atos atot atra atro atsb atst atta atto attr atts baaa baal baar baas baat baba babb babo babr babs bala ball balo bals balt baol baos bar- bara barb baro barr bars bart basa baso bass bast bata bato bats batt bbas bbbb bbbs bblb bbls blaa blab blas blat blbt blls blob bloo blot blss blst blts boab boal boar boas boat boba bobb bobo bobs bola boll bolo bols bolt boob bool boor boos boot bor- bora boro borr bors bort bosa boso boss bost bota botb boto bots bott brab brao bras brat brls broa brob brol broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsos bsra bsts btaa btla btob btor btrt btss bttb laaa laal laar laas laat laba labo labr labs lala lall lalo laos lara larb larr lars lart lasa laso lass last lata lato lats latt lbar lblr lbos lbrs lbrt llao llat llbs llll lloa lloo loar loas loat lob- loba lobb lobo lobs lola loll lolo lols loob lool loor loos loot lora loro lors losa loso loss lost lota lotl loto lotr lots lott lral lrat lrba lrrr lrst lrta lrts ls-r lsat lsla lssa lsso lssr lsts ltbl ltra ltrs ltsa ltsr lttr oall oara oars oasl oass oast oats obal obas obba obbo obla obls obol obor obos obot obra obro obsr obss obst obts olar olas olat olba olbo olla ollo olor olos olot olst olta ooaa ooba oola oolo oooo ooos oora oort oosa oost ootb oots orab oral orao orar oras orat orba orbb orbo orbs orla orlo oro- oror oros orot orra orro orrs orsa orso orta orto orts osar osas osat osba osla oslo osoo osor osos osro ossa ossb osso osta ostr osts otar otas otbs oto- otoo otor otos otra otro otrs otsa otso otta otto otts raab raas raat raba rabb rabl rabo rabs rala ralb rall ralo ralt raob raol raos rara rarb raro rars rasa rasl raso rass rast rata rato rats ratt rbbb rbbr rbbs rbsl rbss rbst rlab rlls roab roar roas roat rob- roba robb robo robs robt rola roll rolo rolt roob rool roor roos root rora roro rort rosa roso ross rost rota rotl roto rotr rots rott rras rrat rrrr rsaa rsos rssa rssl rsts rtas rtls rtlt rtss rtts s-os saab saal saar saas saat saba sabb sabo sabr sabs sala sall salo sals salt saol saor saos sara sarl saro sarr sars sart sasa sasl saso sass sast sata satb satl sato satr sats satt sbaa sbar sbas sbbs sbor sbot sbsa sbst slaa slab slas slat slob sloo slos slot slrs slsa slst slts soal soar soas soat soba sobo sobr sobs sobt sola soll solo solr sols solt sool soor soos soot sora sorb soro sorr sors sort sosa