-er -up a-a a-b a-t aaa aab aae aaf aak aan aao aap aar aat aau ab- aba abb abe abf abk abn abo abp abr abt abu aea aeb aee aef aek aen aeo aep aer aet aeu af- afa afb afe aff afk afn afo afp afr aft afu aka akb ake akk akn ako akp akr aku an- ana anb ane anf ank ann ano anp anr ant anu aoa aob aoe aof aok aon aoo aop aor aot aou ap- apa apb ape apf apk apn apo app apr apt apu ar- ara arb are arf ark arn aro arp arr art aru at- ata atb ate atf atn ato atp atr att atu au- aua aub aue auf auk aun auo aup aur aut b-p b-u baa bab bae baf bak ban bao bap bar bat bau bba bbb bbe bbf bbk bbn bbo bbp bbr bbt bbu be- bea beb bee bef bek ben beo bep ber bet beu bfa bfb bfe bff bfn bfo bfp bfr bft bfu bka bkb bke bkf bkk bkn bko bkp bkr bkt bna bnb bne bnf bnk bnn bno bnp bnr bnt bnu boa bob boe bof bok bon boo bop bor bot bou bpa bpb bpe bpf bpn bpo bpp bpr bpt bpu bra brb bre brf brk brn bro brp brr brt bru bta btb bte btf btk btn bto btp btr btt btu bua bub bue buf buk bun buo bup bur but buu eaa eab eae eaf eak ean eao eap ear eat eau eba ebb ebe ebf ebk ebn ebo ebp ebr ebt ebu eea eeb eee eef eek een eeo eep eer eet ef- efa efb efe eff efo efp efr eft eka ekb eke ekf eko ekp ekr ekt eku en- ena enb ene enf enk enn eno enp enr ent enu eo- eoa eob eoe eof eok eon eoo eop eor eot eou ep- epa epb epe epf epn epo epp epr ept epu era erb ere erf erk ern ero erp err ert eru eta etb ete etf etk etn eto etp etr ett etu eu- eua eub eue euf eun eup eur eut faa fab fae faf fak fan fao fap far fat fau fba fbb fbe fbf fbk fbn fbo fbp fbr fbt fbu fea feb fee fef fek fen feo fep fer fet feu ffa ffe fff ffk ffn ffo ffp ffr fft ffu fka fkb fkf fkk fkp fkt fna fnb fne fnf fnk fnn fnp fnr fnt fnu foa fob foe fof fok fon foo fop for fot fou fpa fpb fpe fpk fpn fpo fpp fpr fpt fpu fra frb fre frf frk frn fro frp frr frt fru fta ftb fte ftf ftk ftn fto ftp ftr ftt ftu fua fub fue fuf fuk fun fuo fup fur fut fuu k-t ka- kaa kab kae kaf kak kan kao kap kar kat kau kba kbb kbe kbf kbk kbn kbo kbp kbr kbu ke- kea keb kee kef kek ken keo kep ker ket kfa kff kfo kfu kkb kke kkk kkn kkp kkr kkt kku kn- kna kne knf knk knn kno knp knr knt knu koa kob koe kof kok kon koo kop kor kot kou kpa kpe kpf kpk kpn kpo kpp kpr kpt kpu kra krf krk krn kro krp krr krt kru kta ktb kte ktf ktk ktn kto ktp ktr ktt ktu kub kue kuk kun kup kur kut kuu naa nab nae naf nak nan nao nap nar nat nau nba nbb nbe nbf nbk nbn nbo nbp nbr nbt nbu ne- nea neb nee nef nek nen neo nep ner net neu nfa nfb nfe nff nfk nfn nfo nfp nfr nft nfu nka nke nkf nkk nkn nko nkp nkr nkt nku nna nnb nne nnf nnk nnn nno nnp nnt nnu no- noa nob noe nof nok non noo nop nor not nou npa npb npe npf npn npo npp npr npt npu nra nrb nre nrf nrk nrn nro nrp nrr nrt nru nta ntb nte ntf ntk ntn nto ntp ntr ntt ntu nua nub nue nuk nun nuo nup nur nut nuu oaa oab oae oaf oak oan oao oap oar oat oau ob- oba obb obe obf obk obn obo obp obr obt obu oea oeb oee oef oen oeo oep oer oet of- ofa ofb ofe off ofn ofo ofp ofr oft ofu oka okb oke okk oko okp okr oku on- ona onb one onf onk onn ono onp onr ont onu oo- ooa oob oof ook oon ooo oop oor oot op- opa opb ope opf opk opn opo opp opr opt or- ora orb ore orf ork orn oro orp orr ort oru ot- ota otb ote otf otk otn oto otp otr ott otu ou- oua oue ouf ouk oun ouo oup our out p-p paa pab pae paf pak pan pao pap par pat pau pba pbb pbe pbf pbk pbn pbo pbp pbr pbt pbu pea peb pee pef pek pen peo pep per pet peu pfa pfb pfe pff pfk pfn pfo pfp pfr pft pfu pka pkb pke pkf pkn pko pkp pkr pkt pku pn- pna pnb pne pnf pnk pnn pno pnp pnr pnt pnu poa pob poe pof pok pon poo pop por pot pou ppa ppb ppe ppf ppk ppn ppo ppp ppr ppt ppu pra prb pre prf prk prn pro prp prr prt pru pt- pta ptb pte ptf ptk ptn pto ptp ptr ptt ptu pua pub pue puf puk pun pup pur put puu ra- raa rab rae raf rak ran rao rap rar rat rau rba rbb rbe rbf rbk rbn rbo rbp rbr rbt rbu re- rea reb ree ref rek ren reo rep rer ret reu rfa rfb rfe rff rfk rfn rfo rfp rfr rft rfu rkb rke rkf rkk rko rkp rkt rku rna rnb