-up a-a a-b a-c aaa aab aac aad aan aao aap aar aau ab- aba abb abc abd abn abo abp abr abu ac- aca acb acc acd acn aco acp acr acu ad- ada adb adc add adn ado adp adr adu an- ana anb anc and ann ano anp anr anu aoa aob aoc aod aon aoo aop aor aou ap- apa apb apc apd apn apo app apr apu ar- ara arb arc ard arn aro arp arr aru au- aua aub auc aud aun auo aup aur b-p b-u baa bab bac bad ban bao bap bar bau bba bbb bbc bbd bbn bbo bbp bbr bbu bca bcb bcc bcd bcn bco bcp bcr bcu bda bdb bdc bdd bdo bdp bdr bdu bna bnb bnc bnd bnn bno bnp bnr bnu boa bob boc bod bon boo bop bor bou bpa bpb bpc bpd bpn bpo bpp bpr bpu bra brb brd brn bro brp brr bru bua bub buc bud bun buo bup bur buu c-- caa cab cac cad can cao cap car cau cba cbb cbc cbd cbn cbo cbp cbr cbu cca ccb ccc ccd ccn cco ccp ccr ccu cda cdb cdc cdd cdn cdo cdp cdr cdu cn- cna cnb cnc cnd cnn cno cnp cnr cnu co- coa cob coc cod con coo cop cor cou cpa cpb cpc cpd cpn cpo cpp cpr cpu cra crb crc crd crn cro crp crr cru cua cub cuc cud cun cuo cup cur cuu daa dab dac dad dan dao dap dar dau dba dbb dbc dbd dbn dbo dbp dbr dbu dca dcb dcc dcd dcn dco dcp dcr dcu dda ddb ddc ddd ddn ddo ddp ddr ddu dna dnb dnc dnd dnn dno dnp dnr doa dob doc dod don doo dop dor dou dpa dpb dpc dpd dpn dpo dpp dpr dpu dra drb drc drd drn dro drp drr dru dua dub duc dud dun duo dup dur naa nab nac nad nan nao nap nar nau nba nbb nbc nbd nbn nbo nbp nbr nbu nca ncb ncc ncd ncn nco ncp ncr ncu nda ndb ndc ndd ndn ndo ndp ndr ndu nna nnb nnc nnn nno nnp nnu no- noa nob noc nod non noo nop nor nou npa npb npc npd npn npo npp npr npu nra nrb nrc nrd nrn nro nrp nrr nru nua nub nuc nud nun nuo nup nur nuu oaa oab oac oad oan oao oap oar oau ob- oba obb obc obd obn obo obp obr obu oc- oca ocb occ ocd ocn oco ocp ocr ocu oda odb odc odd odn odo odp odr odu on- ona onb onc ond onn ono onp onr onu oo- ooa oob ooc ood oon ooo oop oor op- opa opb opc opd opn opo opp opr or- ora orb orc ord orn oro orp orr oru ou- oua ouc oud oun ouo oup our p-p paa pab pac pad pan pao pap par pau pba pbb pbc pbd pbn pbo pbp pbr pbu pca pcb pcc pcd pcn pco pcp pcr pcu pda pdb pdc pdd pdn pdo pdp pdr pdu pn- pna pnb pnc pnd pnn pno pnp pnr pnu poa pob poc pod pon poo pop por pou ppa ppb ppc ppd ppn ppo ppp ppr ppu pra prb prc prd prn pro prp prr pru pua pub puc pud pun pup pur puu ra- raa rab rac rad ran rao rap rar rau rba rbb rbc rbd rbn rbo rbp rbr rbu rca rcb rcc rcd rcn rco rcp rcr rcu rda rdb rdc rdd rdn rdo rdp rdr rdu rna rnb rnc rnd rnn rno rnp rnr rnu roa rob roc rod ron roo rop ror rou rpa rpb rpc rpd rpn rpo rpp rpr rpu rra rrb rrc rrd rrn rrp rrr rru rua rub ruc rud run ruo rup rur ruu ua- uaa uab uac uad uan uao uap uar uau uba ubb ubc ubn ubo ubp ubr ubu uca ucb ucc ucd ucn uco ucp ucr ucu uda udb udc udd udn udo udp udr udu un- una unb unc und unn uno unp unr unu uoa uob uoc uod uon uoo uop uor up- upa upb upc upd upn upo upp upr upu ur- ura urb urc urd urn uro urp urr uru uua uuc uun uur uuu

-ana a-do a-un aaaa aaab aaac aaad aaan aaap aaar aaba aabb aabc aabd aabp aaca aacb aacc aacd aacn aaco aacp aacr aacu aada aadc aadu aana aand aanp aaon aaoo aapa aapc aapo aara aarc aard aaro aarp aaru aaup abaa abab abac abad aban abap abar abau abb- abba abbb abbo abbr abca abcb abcc abcd abcn abcp abcr abda abdo abdu abnu aboa abob abod abon aboo abor abou abpa abpc abpd abpn abpp abpr abra abrc abro abua abud abun acaa acab acac acad acan acap acar acba acca accc accd acco accp accu acda acdb acdc acdp acoa acod acon acop acor acou acpa acpd acpr acpu acr- acra acrc acro acrr acu- acuo acup acur adaa adab adac adad adan adao adap adar adba adbc adcc adda addc addd addn addo addr addu adna adnp adob adoc adod adon adoo ador adp- adra adro adua adub adun adur ana- anaa anab anac anad anan anao anap anar anau anba anbb anbo anbu anca ancc anco and- anda ando andr anna annb anno ano- anoa anod anon anor anp- anpa anpp anpr anpu anrc anua anub anun anup aoba aoca aonb aono aopo aora aorb aorn aoun apac apan apao apap apar apba apbr apca apcb apcc apcd apcn apco apcr apda apdd apdu apna apno apo- apoc apod apon apoo apop apor apou appa appc appd appr appu apra aprc aprn apro apua apuc apud apup arab arac arad aran arap arar arau arba arc- arca arco arda ardc ardo ardu arna