-er -ey a-a a-b aaa aab aae aaf aah aao aap aar aay ab- aba abb abe abf abh abo abp abr aby aea aeb aee aef aeh aeo aep aer aey af- afa afb afe aff afh afo afp afr afy aha ahb ahe ahf ahh aho ahp ahr ahy aoa aob aoe aof aoh aoo aop aor ap- apa apb ape apf aph apo app apr apy ar- ara arb are arf arh aro arp arr ary ay- aya aye ayf ayh ayo ayp ayr b-p baa bab bae baf bah bao bap bar bay bba bbb bbe bbf bbh bbo bbp bbr bby be- bea beb bee bef beh beo bep ber bey bfa bfb bfe bff bfh bfo bfp bfr bfy bha bhb bhe bhf bhh bho bhp bhr boa bob boe bof boh boo bop bor boy bpa bpb bpe bpf bph bpo bpp bpr bpy bra brb bre brf brh bro brp brr bry by- bya bye byf byh byo byp byr eaa eab eae eaf eah eao eap ear eba ebb ebe ebf ebh ebo ebp ebr eby eea eeb eee eef eeo eep eer eey ef- efa efb efe eff efh efo efp efr eha ehb ehe ehf ehh eho ehp ehr eo- eoa eob eoe eof eoh eoo eop eor ep- epa epb epe epf eph epo epp epr era erb ere erf erh ero erp err ery eya eye eyo eyp eyr faa fab fae faf fah fao fap far fay fba fbb fbe fbf fbh fbo fbp fbr fea feb fee fef feh feo fep fer fey ffa ffe fff ffh ffo ffp ffr ffy fha fhb fhe fhf fhh fho fhp fhr foa fob foe fof foh foo fop for foy fpa fpb fpe fph fpo fpp fpr fpy fra frb fre frf frh fro frp frr fry fy- fya fyb fye fyo fyp haa hab hae haf hah hao hap har hay hba hbb hbe hbf hbh hbo hbp hbr hby he- hea heb hee hef heh heo hep her hey hfa hfb hfe hff hfh hfo hfp hfr hfy hha hhb hhe hhf hhh hho hhp hhr hhy hoa hob hoe hof hoh hoo hop hor hoy hpa hpb hpe hpf hph hpo hpp hpr hpy hr- hra hrb hre hrf hrh hro hrp hrr hy- hya hyb hye hyh hyo hyp hyr hyy oaa oab oae oaf oah oao oap oar ob- oba obb obe obf obh obo obp obr oby oea oeb oee oef oeh oeo oep oer oey of- ofa ofb ofe off ofo ofp ofr oha ohe ohf ohh oho ohp ohr oo- ooa oob oof ooh ooo oop oor op- opa opb ope opf oph opo opp opr opy or- ora orb ore orf orh oro orp orr ory oya oye oyo p-p paa pab pae paf pah pao pap par pay pba pbb pbe pbf pbo pbp pbr pby pea peb pee pef peh peo pep per pey pfa pfb pfe pff pfo pfp pfr pfy pha phb phe phf pho php phr phy poa pob poe pof poh poo pop por poy ppa ppb ppe ppf pph ppo ppp ppr pra prb pre prf prh pro prp prr pry py- pya pyb pye pyf pyo pyr ra- raa rab rae raf rah rao rap rar ray rba rbb rbe rbf rbh rbo rbp rbr re- rea reb ree ref reh reo rep rer rey rfa rfb rfe rff rfh rfo rfp rfr rh- rha rhb rhe rhf rhh rho rhp rhr roa rob roe rof roh roo rop ror roy rpa rpb rpe rpf rph rpo rpp rpr rra rrb rrf rrh rrp rrr ry- rya rye ryf ryo ryr ryy yaa yab yae yaf yah yao yap yar yay ybe ybf ybp ybr yby yea yeb yee yef yeh yeo yep yer yey yfa yfe yff yfr yha yhe yob yoe yof yoo yop yor yoy ypa ypf ypo yra yre yrf yro yrp yyb yye yyf yyy