a-a a-b a-t aaa aab aan aao aap aas aat ab- aba abb abn abo abp abs abt an- ana anb ann ano anp ans ant aoa aob aon aoo aop aos aot ap- apa apb apn apo app aps apt as- asa asb asn aso asp ass ast at- ata atb atn ato atp ats att b-p baa bab ban bao bap bas bat bba bbb bbn bbo bbp bbs bbt bna bnb bnn bno bnp bns bnt boa bob bon boo bop bos bot bpa bpb bpn bpo bpp bps bpt bsa bsb bsn bso bsp bss bst bta btb btn bto btp bts btt naa nab nan nao nap nas nat nba nbb nbn nbo nbp nbs nbt nna nnb nnn nno nnp nns nnt no- noa nob non noo nop nos not npa npb npn npo npp nps npt nsa nsb nsn nso nsp nss nst nta ntb ntn nto ntp nts ntt oaa oab oan oao oap oas oat ob- oba obb obn obo obp obs obt on- ona onb onn ono onp ons ont oo- ooa oob oon ooo oop oos oot op- opa opb opn opo opp ops opt os- osa osb osn oso osp oss ost ot- ota otb otn oto otp ots ott p-p paa pab pan pao pap pas pat pba pbb pbn pbo pbp pbs pbt pn- pna pnb pnn pno pnp pns pnt poa pob pon poo pop pos pot ppa ppb ppn ppo ppp pps ppt ps- psa psb psn pso psp pss pst pt- pta ptb ptn pto ptp pts ptt saa sab san sao sap sas sat sba sbb sbn sbo sbp sbs sbt sna snb snn sno snp sns snt soa sob son soo sop sos sot spa spb spn spo spp sps spt ss- ssa ssb ssn sso ssp sss sst sta stb stn sto stp sts stt taa tab tan tao tap tas tat tba tbb tbn tbo tbp tbs tbt tna tnb tnn tno tnp tns tnt to- toa tob ton too top tos tot tpa tpb tpn tpo tpp tps tpt tsa tsb tsn tso tsp tss tst tta ttb ttn tto ttp tts ttt

-ana aaaa aaab aaan aaap aaas aaba aabb aabp aabt aana aanp aaon aaoo aapa aapo aaps aapt aasa aass aast aata aatt abaa abab aban abap abas abat abb- abba abbb abbo abbs abbt aboa abob abon aboo abos abot abpa abpn abpp abps abs- absa absp abss abta abts ana- anaa anab anan anao anap anas anat anba anbb anbo anna annb anno anns annt ano- anoa anon anos anp- anpa anpp ansa anso ansp ant- anta anto ants antt aoba aonb aono aont aopo aosp aoss apan apao apap apas apat apba apbs apna apno apo- apon apoo apop apos apot appa apps appt apsa apso apss apta aptn apts aptt asaa asab asan asao asap asas asat asba asbo asno asob ason asop asos asot aspa aspo asps aspt assa assn asso assp asss asst asta astb asto astp asts at-t ataa atab atan atap atas atat atbs atna atno atns atob aton atop atos atot atsb atst atta attn atto attp atts baaa baan baas baat baba babb babo babs bana bann bano banp bans bant baon baos bapa bapp baps bapt basa baso bass bast bata batn bato bats batt bbas bbbb bbbs bnas bnpp bnss bnta boab boan boas boat boba bobb bobo bobs bona bonn bono bons bont boob boon boop boos boot bopa bopp bops bosa bosn boso boss bost bota botb botn boto bots bott bpot bpsa bsaa bsap bsas bsat bsns bson bsos bspp bsts btaa btan btbp btob btps btss bttb naaa naab naan naas naat naba nabo nabs nan- nana nanb nann nano nanp nans nant naos naot napa napb napo napp naps napt nas- nasa nasb naso nasp nass nast nata nato natp nats natt nbaa nbap nbas nbbo nbpa nbpp nbps nbsp nnnn nnos nnot nnsa nnss nntn noaa noap noat noba nobo nobs 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 nppa npsa npss npta nptn nsaa nsbo nsna nsos nsps nssa nssb nsso nssp nsss nstp nsts ntap ntop ntpa ntsb ntss ntto oaps oass oast oats oban obas obba obbo obon obos obot obsn obss obst obts onab onan onas onat onna onno onon onos onpt onso onst ont- onto ooaa ooba oona oons oont oooo ooos oops oosa oost ootb ootp oots opan opap opo- opon opos oppa oppo opps opsa optn opto opts osan osap osas osat osba osbp osno osoo osos ossa ossb osso osta osts otan otap otas otbs oto- oton otoo otos otpp otsa otso otta otto otts paan paap paas paat paba pabt pan- pana pann pano pans pant paon paos papa papb papp paps pasa paso pasp pass past pata pato pats patt pban pbpa pbsa pbsp pnas pnon pnot pnpo pnpp poan poas poat poba pobo pobs pona pono ponp pons pont poon poop poos poot pop- popa popo popp pops popt posa posb posn poso poss post pota poto pots pott ppan ppap ppoa ppos pppa pppn pppo pppp ppps ppss ppta pptn ppts pptt psap psas psat psbt psna psoa pson psos pspp psps pssa psso psst psts ptab ptas ptop ptsa s-os saab saan saap saas saat saba sabb sabo sabs sana sann sano sans sant saon saos sapa sapo sapp saps sasa saso sass sast sata satb satn sato sats satt sbaa sbas sbbs sbot sbsa sbsp sbst sbtn snab snap snas snat snba snns snoa snob snoo snop snos snot snpo snpp soan soap soas soat soba sobo sobp sobs sobt son- sona sono sons sont soon soop soos soot sopa sopo sopp sops sosa soso soss sost sota sotn soto sotp sots sp-a span spap spas spat spns spon spoo spop spos spot spps spsa