a-a a-b a-i aaa aab aad aai aan aao aap aar aay ab- aba abb abd abi abn abo abp abr aby ad- ada adb add adi adn ado adp adr ady ai- aia aib aid aii ain aio aip air aiy an- ana anb and ani ann ano anp anr any aoa aob aod aoi aon aoo aop aor ap- apa apb apd api apn apo app apr apy ar- ara arb ard ari arn aro arp arr ary ay- aya ayd ayi ayn ayo ayp ayr b-p baa bab bad bai ban bao bap bar bay bba bbb bbd bbi bbn bbo bbp bbr bby bda bdb bdd bdi bdo bdp bdr bdy bi- bia bib bid bii bin bio bip bir biy bna bnb bnd bni bnn bno bnp bnr boa bob bod boi bon boo bop bor boy bpa bpb bpd bpi bpn bpo bpp bpr bpy bra brb brd bri brn bro brp brr bry by- bya byd byi byn byo byp byr daa dab dad dai dan dao dap dar day dba dbb dbd dbi dbn dbo dbp dbr dby dda ddb ddd ddi ddn ddo ddp ddr ddy di- dia dib did dii din dio dip dir diy dna dnb dnd dni dnn dno dnp dnr dny doa dob dod doi don doo dop dor doy dpa dpb dpd dpi dpn dpo dpp dpr dra drb drd dri drn dro drp drr dry dy- dya dyb dyd dyn dyo dyp dyr dyy i-d ia- iaa iab iad iai ian iao iap iar iba ibb ibd ibi ibn ibo ibp ibr iby ida idb idd idi idn ido idp idr idy iia iib iid iii iin iio iip iir in- ina inb ind ini inn ino inp inr iny io- ioa iob iod ioi ion ioo iop ior ipa ipb ipd ipi ipn ipo ipp ipr ipy ir- ira irb ird iri irn iro irp irr iry iya iyo iyr iyy n-i naa nab nad nai nan nao nap nar nay nba nbb nbd nbi nbn nbo nbp nbr nda ndb ndd ndi ndn ndo ndp ndr ndy nia nib nid nii nin nio nip nir nna nnb nni nnn nno nnp no- noa nob nod noi non noo nop nor noy npa npb npd npi npn npo npp npr nra nrb nrd nri nrn nro nrp nrr nry nya nyd nyn nyo nyp nyy o-i oaa oab oad oai oan oao oap oar ob- oba obb obd obi obn obo obp obr oby oda odb odd odi odn odo odp odr oia oib oid oii oin oio oip oir on- ona onb ond oni onn ono onp onr ony oo- ooa oob ood ooi oon ooo oop oor op- opa opb opd opi opn opo opp opr opy or- ora orb ord ori orn oro orp orr ory oya oyd oyi oyo p-p paa pab pad pai pan pao pap par pay pba pbb pbd pbi pbn pbo pbp pbr pby pda pdb pdd pdi pdn pdo pdp pdr pia pib pid pii pin pio pip pir pn- pna pnb pnd pni pnn pno pnp pnr pny poa pob pod poi pon poo pop por poy ppa ppb ppd ppi ppn ppo ppp ppr pra prb prd pri prn pro prp prr pry py- pya pyb pyd pyn pyo pyr ra- raa rab rad rai ran rao rap rar ray rba rbb rbd rbi rbn rbo rbp rbr rda rdb rdd rdi rdn rdo rdp rdr rdy ria rib rid rii rin rio rip rir riy rna rnb rnd rni rnn rno rnp rnr rny roa rob rod roi ron roo rop ror roy rpa rpb rpd rpi rpn rpo rpp rpr rra rrb rrd rri rrn rrp rrr ry- rya ryd ryn ryo ryr ryy yaa yab yad yai yan yao yap yar yay ybi ybp ybr yby yda ydn ydo ydy yid yii yin yio yip yir yna ynd ynn ynp yny yob yod yoi yon yoo yop yor yoy ypa ypd ypo yra yrn yro yrp yyb yyy