dssp dsst dstn dsto dsts dtaa dtap dtdp dtna dtnb dtot dtss dttp naaa naab naad naan naas naat naba nabo nabs nada nadp nads nan- nana nanb nand nann nano nanp nans nant naos naot napa napb napo napp naps napt nas- nasa nasb nasd naso nasp nass nast nata nato natp nats natt nbaa nbad nbap nbas nbbo nbpa nbpp nbps nbsp ndaa ndao ndas nddb nddo ndna ndnp ndnt ndop ndos ndpd ndps ndss nndb nnnn nnos nnot nnsa nnss nntn noaa noap noat noba nobo nobs noda nodo nods non- nona nonn nono nons nont noo- noob noon nooo noop noos noot nops nos- nosa noss nost not- nota noto nots nott npap npas npat npda nppa nppd npsa npss npta nptn nsaa nsbo nsds nsdt nsna nsos nsps nssa nssb nsso nssp nsss nstd nstp nsts ntap ntds ntnd ntop ntpa ntpd ntsb ntss ntto oaps oass oast oats obad oban obas obba obbo obdt obon obos obot obsd obsn obss obst obtd obts odas odbo odda oddd odds odnb odon odoo odop odos odot odso odts onab onan onas onat onda ondo onna onno onod onon onos onpt onso onst ont- onto ooaa ooba ooda oona oons oont oooo ooos oops oosa oost ootb ootp oots opan opap opds opo- opon opos oppa oppo opps opsa optn opto opts osan osap osas osat osba osbp osno osoo osos ossa ossb ossd osso osta osts otan otap otas otbd otbs oto- oton otoo otos otpp otsa otso otta otto otts paan paap paas paat paba pabt pada padd pado pads pan- pana pand pann pano pans pant paon paos papa papb papp paps pasa pasd paso pasp pass past pata patd pato pats patt pban pbpa pbsa pbsp pdas pdbs pdns pdos pdpa pdpn pdsa pdsd pdss pnas pnon pnot pnpo pnpp pntd poad poan poas poat poba pobo pobs pod- poda podd podo pods pona pond pono ponp pons pont pood poon poop poos poot pop- popa popo popp pops popt posa posb posn poso poss post pota potd poto pots pott ppad ppan ppap ppds ppoa ppod ppos pppa pppd pppn pppo pppp ppps ppss ppta pptn ppts pptt psap psas psat psbd psbt psdp psds psna psoa pson psos pspp psps pssa psso psst psts ptab ptas ptop ptpd ptsa ptsd s-os saab saad saan saap saas saat saba sabb sabo sabs sada sadb sadd sado sads sadt sana sand sann sano sans sant saon saos sapa sapo sapp saps sasa sasd saso sass sast sata satb satd satn sato sats satt sbaa sbas sbbs sbds sbot sbsa sbsd sbsp sbst sbtn sdap sdba sdds sdna sdot sdps sdss snab snad snap snas snat snba snda snns snoa snob snod snoo snop snos snot snpo snpp snsd soad soan soap soas soat soba sobo sobp sobs sobt soda sodd sodo sods son- sona sond sono sons sont sood soon soop soos soot sopa sopd sopo sopp sops sosa soso soss sost sota sotn soto sotp sots sp-a spad span spap spas spat spdp spdt spns spod spon spoo spop spos spot sppd spps spsa spsd spso spsp spss spst spta sptb spto spts ssaa ssab ssan ssao ssap ssas ssat ssbn ssdd ssdp ssns ssop ssot sspa sspo ssps sspt sssa sssb ssss ssta sstb sstd sstp ssts stab stad stan stap stas stat stbd stbs stds stnd stnn stns stoa stob stod ston stoo stop stos stot stpd stpp stps stss sttd taa- taan taas taat taba tabb tabo tabs tada tado tads tana tand tann tano tans tant taoa taos tapa tapo tapp taps tapt tasa tasb tasp tass tast tata tatb tato tats tatt tbas tbbs tbsp tbst tbta tbtp tdap tddb tdna tdss tndd tnsp tnts toab toad toan toas toat toba tobo tobs tobt toda todd todo tods todt tona tonb tonn tono tons tooa tood toon toos toot top- topa topd topo topp tops topt tosa tosb toso toss tost tota totd toto tots tott tpap tpon tppa tppd tppp tpsa tptp tsaa tsao tsat tsbd tsdb tsna tsob tsop tsos tspn tspo tsps tspt tssa tsst tsts ttab ttbb tton ttop ttss tttt

-aaa- -abad -stan a-a-p a-dna aaaas aaasa aaass aaata aabaa aabba aabps aadas aadat aanat aandp abaab ababa ababs abada abana aband abann abano abaon abapo abasa abass abbad abban abbas abbat abbod abbos abbot abdan abdon aboab aboad aboat abobo abona abond abono abood aboon aboot aboso abott abson abtaa abtao adaba adada adado adads adana adano adaon adapa adapt adasa adast adata adato adats adbot addap addas addon addsa addto adnan adnas adobo adodb adona adons adopt ads-b adson anaba anado anana anand anant anapa anapo anasa anass anata anato anats anban andab andad andan andas andno andoa andon andos andpa andso andto annan annas annat annot anoas anoba anoda anona anono anons anont anoon anost anota anoto anpan anpao ansan anson ansto antao antas antna antoa anton aodan aoos aosta apana apapa apasa apass apast apata apatt apdta apnpp apoda apodo apods apona apono apoop apopa apopo apopt apost appos apptd appts apsan apsat apsos aptno aptos aptto asaba asada asado asana asano asasa asats asbad asbos asdas asnan asnap asnas asnot asoda asodd asona asond asons asosa asota aspan aspas aspos aspot assab assad assan assas assat assns assoa asson assos assot asstd assts astab astad astan astap astas astat astod aston astoo astop astos atana ataps atats atbat atnaa atnos atoad atoot atops atoss atoto attan attap attas attns atto- atton b-dna baaop baata baban babas babbs babdo babns baboo babos babot badan badao badas badat baddo badna badod badoo badot badto banan banas banat banba banda bandb bandn bando bands banna banns banon banos banpo bansa banta bants bapat bapta basab basad basan basna basno baso- bason baspa bassa basso basta basto basts batab batad batan batas batat batna batns batob baton batoo batos batsa batta batto batts bo-bo boada boand boann boano boans boast boats