-up a-a a-b a-t aaa aab aao aap aar aat aau ab- aba abb abo abp abr abt abu aoa aob aoo aop aor aot aou ap- apa apb apo app apr apt apu ar- ara arb aro arp arr art aru at- ata atb ato atp atr att atu au- aua aub auo aup aur aut b-p b-u baa bab bao bap bar bat bau bba bbb bbo bbp bbr bbt bbu boa bob boo bop bor bot bou bpa bpb bpo bpp bpr bpt bpu bra brb bro brp brr brt bru bta btb bto btp btr btt btu bua bub buo bup bur but buu oaa oab oao oap oar oat oau ob- oba obb obo obp obr obt obu oo- ooa oob ooo oop oor oot op- opa opb opo opp opr opt or- ora orb oro orp orr ort oru ot- ota otb oto otp otr ott otu ou- oua ouo oup our out p-p paa pab pao pap par pat pau pba pbb pbo pbp pbr pbt pbu poa pob poo pop por pot pou ppa ppb ppo ppp ppr ppt ppu pra prb pro prp prr prt pru pt- pta ptb pto ptp ptr ptt ptu pua pub pup pur put puu ra- raa rab rao rap rar rat rau rba rbb rbo rbp rbr rbt rbu roa rob roo rop ror rot rou rpa rpb rpo rpp rpr rpt rpu rra rrb rrp rrr rrt rru rta rtb rto rtp rtr rtt rtu rua rub ruo rup rur rut ruu taa tab tao tap tar tat tau tba tbb tbo tbp tbr tbt tbu to- toa tob too top tor tot tou tpa tpb tpo tpp tpr tpt tpu tra trb tro trp trr trt tru tta ttb tto ttp ttr ttt ttu tua tub tuo tup tur tut tuu ua- uaa uab uao uap uar uat uau uba ubb ubo ubp ubr ubt ubu uoa uob uoo uop uor uot up- upa upb upo upp upr upt upu ur- ura urb uro urp urr urt uru uta utb uto utp utr utt utu uua uur uut uuu

aaaa aaab aaap aaar aaba aabb aabp aabt aaoo aapa aapo aapt aara aaro aarp aart aaru aata aatt aaup abaa abab abap abar abat abau abb- abba abbb abbo abbr abbt aboa abob aboo abor abot abou abpa abpp abpr abra abro abta abtu abua abut aoba aopo aora aorb aort aout apao apap apar apat apba apbr apo- apoo apop apor apot apou appa appr appt appu apra apro aprt apta aptt apua apup arab arap arar arat arau arba aroa arob aroo aror arpa arpu arr- arra arro arrr arrt arru arta arto artr arua arub arup arut at-t ataa atab atap atar atat atob atop ator atot atpr atra atro atrp atru atta atto attp attr attu atua atub atur auaa aur- aura auro aut- auto baaa baar baat baba babb babo babr babu bapa bapp bapt bapu bar- bara barb baro barr bart baru bata bato batt batu bau- baur bbau bbbb bbpr boab boar boat boba bobb bobo bobu boob boop boor boot bopa bopp bor- bora boro borr bort boru bota botb boto bott boua boup bour bout bpot brab brao brat brau broa brob broo bror brot brou brrr brup brut btaa btbp btob btor btrt bttb buar buat buba bubb bubo bubu bupa bur- bura burb buro burp burr burt buru but- buta buto butt oaau oara obba obbo obor obot obra obro ooaa ooba oooo oora oort ootb ootp opap opar opo- opor oppa oppo opra opto opua orab orao orar orat orba orbb orbo orbu oro- oror orot orra orro orta orto orub orup otap otar oto- otoo otor otpp otra otro otta otto ottu otur ouat oupa our- oura ouro ourt out- outa outb outo ouu- paap paar paat paba pabt pabu papa papb papp papr par- para paro parp parr part paru pata pato patr patt patu paua paup paur paut pbar pbpa poar poat poba pobo poop poor poot pop- popa popo popp popt pora porb poro porr port pota poto pott potu poup pour pout ppap ppar ppoa pppa pppo pppp ppru ppta pptt ppur prao prar prat prau pro- proa prob proo prop prot prou prtp prtr prut pruu ptab ptop puao puar pubu pupa pupu pur- pura purb puro purp purr puru put- puta puto putt putu raab raat raba rabb rabo rabu raob raop rapa rapp rapt rara rarb raro rata rato ratp ratt ratu raua raub raup raut rbbb rbbr roab roap roar roat rob- roba robb robo robt robu roob roop roor root ropa ropo rora roro rort roru rota roto rotr rott roua roub roup rout rpob rpta rrat rrrr rtpa rttp ruba rubb rubp rubu rupa rupp rupt rura ruro rurp ruru ruta ruto rutt rutu taa- taar taat taba tabb tabo tabu taoa taor taou tapa tapo tapp tapr tapt tapu tara tarb taro tarp tarr tart taru tata tatb tato tatr tatt tatu taua taub taur taut tbar tbrb tbta tbtp toab toat toau toba tobo tobt tobu tooa toor toot top- topa topo topp topt topu tora toro torp torr tort toru tota toto totr tott toup tour tout tpap tpau tppa tppp tppr tptp tptr tput traa trab trao trap trat trau troa troo trop trot trou trpa trpp trra trtr trub trut truu ttab ttbb ttop tttt tuao tuar tuat tuba tubb tubo tubr tubu tuor tupa tupo tupu tura turb turo turp turr turt turu tuta tuto tutt tutu tuuo u-rp uart uaru uata uatu uaua ubar ubba ubbo ubra uor- upar upat upor uppa uppp uppu upra upto upup urao urap urat urau urba uro- uroa uroo urpo urra urup urur urut utau utor utpa utto uttu uuta uuuu

-aaa- a-a-p aaata aabaa aabba aabra aapua aarau aarop aarup abaab ababa ababu abapo abara abaru abbar abbat abbot abbou abbur aboab aboat abobo aboot abora