-al -ol a-a a-b aaa aab aad aal aao aar aas ab- aba abb abd abl abo abr abs ad- ada adb add adl ado adr ads al- ala alb ald all alo alr als aoa aob aod aol aoo aor aos ar- ara arb ard arl aro arr ars as- asa asb asd asl aso asr ass baa bab bad bal bao bar bas bba bbb bbd bbl bbo bbr bbs bda bdb bdd bdl bdo bdr bds bla blb bld bll blo blr bls boa bob bod bol boo bor bos bra brb brd brl bro brr brs bsa bsb bsd bsl bso bsr bss daa dab dad dal dao dar das dba dbb dbd dbl dbo dbr dbs dda ddb ddd ddl ddo ddr dds dl- dla dlb dld dll dlo dlr dls doa dob dod dol doo dor dos dra drb drd drl dro drr drs dsa dsb dsd dsl dso dsr dss la- laa lab lad lal lao lar las lba lbb lbd lbl lbo lbr lbs lda ldb ldd ldl ldo ldr lds lla llb lld lll llo llr lls loa lob lod lol loo lor los lra lrb lrd lro lrr lrs lsa lsb lsd lsl lso lsr lss oaa oab oad oal oao oar oas ob- oba obb obd obl obo obr obs oda odb odd odl odo odr ods ola olb old oll olo ols oo- ooa oob ood ool ooo oor oos or- ora orb ord orl oro orr ors os- osa osb osd osl oso osr oss ra- raa rab rad ral rao rar ras rba rbb rbd rbl rbo rbr rbs rda rdb rdd rdl rdo rdr rds rla rld rll rlo rlr rls roa rob rod rol roo ror ros rra rrb rrd rrl rrr rrs rsa rsb rsd rsl rso rsr rss saa sab sad sal sao sar sas sba sbb sbd sbl sbo sbr sbs sda sdb sdd sdl sdo sdr sds sla slb sld sll slo slr sls soa sob sod sol soo sor sos sr- sra srb srd srl sro srr srs ss- ssa ssb ssd ssl sso ssr sss

a-do aaaa aaab aaad aaal aaar aaas aaba aabb aabd aabl aada aads aala aald aall aalo aals aaoo aara aard aaro aars aasa aasd aass abaa abab abad abal abar abas abb- abba abbb abbo abbr abbs abda abdo abla ablo abls aboa abob abod abol aboo abor abos abra abro abrs abs- absa absd absl abss adaa adab adad adal adao adar adas adba adda addd addl addo addr adds adls adob adod adoo ador ados adra adro adrs adsa adsl adso adsr adss alaa alad alal alao alar alas alb- alba albo albs ald- alda aldl aldo alds all- alla alll allo allr alls aloa alod alol aloo alor alos alro alsa also aoba aola aora aorb aors aosd aoss arab arad aral arar aras arba arbs arda ardl ardo ards arla arlo aroa arob arod aroo aror aros arr- arra arro arrr arrs ars- arsa arsd arso asaa asab asad asal asao asar asas asba asbo asda asdl asdo asds asla aslo aslr asob asod asor asos asra asro asrs assa assd assl asso assr asss baaa baad baal baar baas baba babb babo babr babs bada badb badd bado badr bads bala bald ball balo bals baol baos bar- bara barb bard baro barr bars basa baso bass bbad bbas bbbb bbbs bbdd bbdo bblb bbls bd-r bdls bdos bdsd blaa blab blad blas bldr blls blob blod bloo blss boab boad boal boar boas boba bobb bobo bobs boda bodb bodo bods bola bold boll bolo bols boob bood bool boor boos bor- bora bord boro borr bors bosa boso boss brab brad brao bras brda brdo brds brls broa brob brod brol broo bror bros brrr brrs brsb brsr bsaa bsas bsbd bsdl bsod bsos bsra bsrd bssd d-bo daab daad daal daar daas daba dabb dabo dabs dada dado dads dala dall dalo dals daos dara darb dard darl daro darr dars dasa dasb dasd dasl dass dbar dbas dbls dbos dbrs dbsa dbss dddd ddss dlab dlbd dlos dlrs doab doal doar doas doba dobb dobl dobs dod- doda dodd dodo dods dola dold doll dolo dols doob dood dool door doos dora dord doro dorr dors dosa doso doss draa drab drad drar dras drba drda drob drod drol drra drrs drsa dsba dsda dsdr dsls dsoa dsos dsrr dssa laaa laad laal laar laas laba labo labr labs lada ladd lado lads lala lald lall lalo laos lara larb lard larr lars lasa lasd laso lass lbar lbds lblr lbos lbrs ldls ldos ldrs llao llbs lldb llds llll lloa llod lloo load loar loas lob- loba lobb lobo lobs loda lods lola lold loll lolo lols loob lood lool loor loos lora lord loro lors losa loso loss lral lrba lrdd lrds lrrr ls-r lsds lsla lssa lsso lssr oall oara oars oasl oass obad obal obas obba obbo obla obls obol obor obos obra obro obsd obsr obss odal odas odbo odda oddd odds odla odoo odor odos odra odrl odso olar olas olba olbo oldb olds olla ollo olor olos ooaa ooba ooda oola oold oolo oooo ooos oora oord oosa orab orad oral orao orar oras orba orbb orbo orbs orda ordo ords orla orlo oro- oror oros orra orro orrs orsa orso osar osas osba osla oslo osoo osor osos osrd osro ossa ossb ossd osso raab raad raas raba rabb rabl rabo rabs rada radd radl rado radr rads rala ralb rall ralo raob raol raos rara rarb raro rars rasa rasd rasl raso rass rbbb rbbr rbbs rbds rbsd rbsl rbss rdas rdos rdso rlab rlds rlls roab road roar roas rob- roba robb robo robs roda rodd rodo rods rola rold roll rolo roob rood rool roor roos rora roro rosa roso ross rrad rras rrrr rsaa rsdd rsdl rsds rsos rssa rssl s-os