-er -ey a-a a-b a-t aaa aab aae aan aao aap aar aat aay ab- aba abb abe abn abo abp abr abt aby aea aeb aee aen aeo aep aer aet aey an- ana anb ane ann ano anp anr ant any aoa aob aoe aon aoo aop aor aot ap- apa apb ape apn apo app apr apt apy ar- ara arb are arn aro arp arr art ary at- ata atb ate atn ato atp atr att ay- aya aye ayn ayo ayp ayr ayt b-p baa bab bae ban bao bap bar bat bay bba bbb bbe bbn bbo bbp bbr bbt bby be- bea beb bee ben beo bep ber bet bey bna bnb bne bnn bno bnp bnr bnt boa bob boe bon boo bop bor bot boy bpa bpb bpe bpn bpo bpp bpr bpt bpy bra brb bre brn bro brp brr brt bry bta btb bte btn bto btp btr btt bty by- bya bye byn byo byp byr byt eaa eab eae ean eao eap ear eat eba ebb ebe ebn ebo ebp ebr ebt eby eea eeb eee een eeo eep eer eet eey en- ena enb ene enn eno enp enr ent eny eo- eoa eob eoe eon eoo eop eor eot ep- epa epb epe epn epo epp epr ept era erb ere ern ero erp err ert ery eta etb ete etn eto etp etr ett ety eya eye eyn eyo eyp eyr eyt naa nab nae nan nao nap nar nat nay nba nbb nbe nbn nbo nbp nbr nbt ne- nea neb nee nen neo nep ner net ney nna nnb nne nnn nno nnp nnt no- noa nob noe non noo nop nor not noy npa npb npe npn npo npp npr npt nra nrb nre nrn nro nrp nrr nrt nry nta ntb nte ntn nto ntp ntr ntt nya nye nyn nyo nyp nyt nyy oaa oab oae oan oao oap oar oat ob- oba obb obe obn obo obp obr obt oby oea oeb oee oen oeo oep oer oet oey on- ona onb one onn ono onp onr ont ony oo- ooa oob oon ooo oop oor oot op- opa opb ope opn opo opp opr opt opy or- ora orb ore orn oro orp orr ort ory ot- ota otb ote otn oto otp otr ott oya oye oyo p-p paa pab pae pan pao pap par pat pay pba pbb pbe pbn pbo pbp pbr pbt pby pea peb pee pen peo pep per pet pey pn- pna pnb pne pnn pno pnp pnr pnt pny poa pob poe pon poo pop por pot poy ppa ppb ppe ppn ppo ppp ppr ppt pra prb pre prn pro prp prr prt pry pt- pta ptb pte ptn pto ptp ptr ptt pty py- pya pyb pye pyn pyo pyr pyt ra- raa rab rae ran rao rap rar rat ray rba rbb rbe rbn rbo rbp rbr rbt re- rea reb ree ren reo rep rer ret rey rna rnb rnn rno rnp rnr rnt rny roa rob roe ron roo rop ror rot roy rpa rpb rpe rpn rpo rpp rpr rpt rra rrb rrn rrp rrr rrt rta rtb rte rtn rto rtp rtr rtt rty ry- rya rye ryn ryo ryr ryy taa tab tae tan tao tap tar tat tay tba tbb tbe tbn tbo tbp tbr tbt te- tea teb tee ten teo tep ter tet tey tna tnb tne tnn tno tnp tnr tnt to- toa tob toe ton too top tor tot toy tpa tpb tpe tpn tpo tpp tpr tpt tra trb tre trn tro trp trr trt try tta ttb tte ttn tto ttp ttr ttt tty tya tye tyn tyo typ tyr tyt yaa yab yae yan yao yap yar yat yay ybe ybp ybr yby yea yeb yee yen yeo yep yer yet yey yna yne ynn ynp yny yob yoe yon yoo yop yor yot yoy ypa ypo yra yre yrn yro yrp yrt yta yte ytn yto ytp ytr ytt yyb yye yyt yyy