a-a a-b aaa aab aad aao aar aas aav ab- aba abb abd abo abr abs abv ad- ada adb add ado adr ads adv aoa aob aod aoo aor aos aov ar- ara arb ard aro arr ars arv as- asa asb asd aso asr ass asv av- ava avb avd avo avr avs baa bab bad bao bar bas bav bba bbb bbd bbo bbr bbs bda bdb bdd bdo bdr bds bdv boa bob bod boo bor bos bov bra brb brd bro brr brs brv bsa bsb bsd bso bsr bss bsv bva bvb bvd bvo bvr bvs bvv daa dab dad dao dar das dav dba dbb dbd dbo dbr dbs dbv dda ddb ddd ddo ddr dds doa dob dod doo dor dos dov dra drb drd dro drr drs drv dsa dsb dsd dso dsr dss dsv dva dvb dvd dvr dvs oaa oab oad oao oar oas oav ob- oba obb obd obo obr obs obv oda odb odd odo odr ods odv oo- ooa oob ood ooo oor oos oov or- ora orb ord oro orr ors orv os- osa osb osd oso osr oss osv ov- ova ovb ovd ovo ovs ovv ra- raa rab rad rao rar ras rav rba rbb rbd rbo rbr rbs rda rdb rdd rdo rdr rds rdv roa rob rod roo ror ros rov rra rrb rrd rrr rrs rsa rsb rsd rso rsr rss rsv rva rvb rvd rvo rvr rvs rvv saa sab sad sao sar sas sav sba sbb sbd sbo sbr sbs sbv sda sdb sdd sdo sdr sds sdv soa sob sod soo sor sos sov sr- sra srb srd sro srr srs srv ss- ssa ssb ssd sso ssr sss ssv sva svb svd svo svr svs svv v-a vaa vab vad vao var vas vav vba vbd vbo vbr vbs vbv vdb vdd vdo vdr vds vdv voa vob vod voo vor vos vov vra vrb vrd vrr vrs vsa vsb vsd vso vsr vss vsv vva vvb vvo vvr vvs vvv

a-do aaaa aaab aaad aaar aaas aaav aaba aabb aabd aada aads aaoo aara aard aaro aars aasa aasd aass aava abaa abab abad abar abas abb- abba abbb abbo abbr abbs abda abdo aboa abob abod aboo abor abos abov abra abro abrs abs- absa absd abss abva abvd adaa adab adad adao adar adas adba adda addd addo addr adds adob adod adoo ador ados adra adro adrs adsa adso adsr adss advb advs aoba aora aorb aors aosd aoss arab arad arar aras arba arbs arda ardo ards aroa arob arod aroo aror aros arr- arra arro arrr arrs ars- arsa arsd arso arva arvo asaa asab asad asao asar asas asba asbo asda asdo asds asob asod asor asos asra asro asrs assa assd asso assr asss asva asvd asvs avab avao avar avas avda avor avos avra avro avva avvo baaa baad baar baas baba babb babo babr babs bada badb badd bado badr bads baos bar- bara barb bard baro barr bars basa baso bass bava bbad bbas bbbb bbbs bbdd bbdo bd-r bdav bdos bdsd boab boad boar boas boba bobb bobo bobs boda bodb bodo bods boob bood boor boos bor- bora bord boro borr bors bosa boso boss bova bovo brab brad brao bras brav brda brdo brds broa brob brod broo bror bros brrr brrs brsb brsr bsaa bsas bsbd bsod bsos bsra bsrd bssd bvds d-bo daab daad daar daas daba dabb dabo dabs dada dado dads daos dara darb dard daro darr dars dasa dasb dasd dass dava dbar dbas dbos dbrs dbsa dbss dddd ddss doab doar doas doba dobb dobs dod- doda dodd dodo dods doob dood door doos dora dord doro dorr dors dosa doso doss draa drab drad drar dras drba drda drob drod drra drrs drsa dsba dsda dsdr dsoa dsos dsrr dssa dsvd dvar dvas dvbs dvda dvdr dvds dvoa dvor dvra dvrs dvsr oara oars oass oavs obad obas obba obbo obor obos obra obro obsd obsr obss obvs odas odbo odda oddd odds odoo odor odos odra odso odva ooaa ooba ooda oooo ooos oora oord oosa orab orad orao orar oras orav orba orbb orbo orbs orda ordo ords oro- oror oros orra orro orrs orsa orso orvr orvs osar osas osba osdv osoo osor osos osov osrd osro ossa ossb ossd osso ovar ovda ovo- ovod ovoo ovra raab raad raas raba rabb rabo rabs rada radd rado radr rads raob raos rara rarb raro rars rasa rasd raso rass rava rbbb rbbr rbbs rbds rbsd rbss rdas rdos rdso rdvs roab road roar roas rob- roba robb robo robs roda rodd rodo rods roob rood roor roos rora roro rosa roso ross rova rovo rovs rrad rras rrrr rsaa rsdd rsds rsos rssa s-os saab saad saar saas saba sabb sabo sabr sabs sada sadb sadd sado sadr sads saor saos sara sard saro sarr sars sarv sasa sasd saso sass sava savo savs sbaa sbar sbas sbbs sbds sbor sbsa sbsd sdba sdds sdrs sdss soad soar soas soba sobo sobr sobs soda sodd sodo sods sood soor soos sora sorb sord soro sorr sors sosa soso soss sosv sova sovo sovs sras sros srsd ssaa ssab ssao ssas ssbr ssdd ssra ssrs sssa sssb ssss svar svdo svod svor vaad vaar vaas vabs vada vado vads vara vard varr vars vas- vasa vaso vass vava vavs vdso voad voar voda vodo voor vor- vora vord voro vors vosa voso voss vras vrav vrba vrsa vvob vvsb vvvv

-aaa- -abad a-vsb aaaas aaasa aaass aabaa aabba aabra aadas aasra abaab ababa ababs abada abara abasa abass abava abbad abbar abbas abbod abbos abbrs aboab aboad abobo abood abora abord aboso abovo abrad abrar abras abrod absar adaba adada adado adads adara adaro adars adasa adava addas addra addsa adoar adobo adodb adoor adora adoro adrad adrar adras adroa ads-b adsav aoos