a-a a-b a-i aaa aab aad aah aai aak aan aao aap aar ab- aba abb abd abh abi abk abn abo abp abr ad- ada adb add adh adi adk adn ado adp adr aha ahb ahd ahh ahi ahk ahn aho ahp ahr ai- aia aib aid aih aii aik ain aio aip air aka akb akd akh aki akk akn ako akp akr an- ana anb and anh ani ank ann ano anp anr aoa aob aod aoh aoi aok aon aoo aop aor ap- apa apb apd aph api apk apn apo app apr ar- ara arb ard arh ari ark arn aro arp arr b-p baa bab bad bah bai bak ban bao bap bar bba bbb bbd bbh bbi bbk bbn bbo bbp bbr bda bdb bdd bdh bdi bdk bdo bdp bdr bha bhb bhd bhh bhi bhk bho bhp bhr bi- bia bib bid bih bii bik bin bio bip bir bka bkb bkk bkn bko bkp bkr bna bnb bnd bni bnk bnn bno bnp bnr boa bob bod boh boi bok bon boo bop bor bpa bpb bpd bph bpi bpn bpo bpp bpr bra brb brd brh bri brk brn bro brp brr daa dab dad dah dai dak dan dao dap dar dba dbb dbd dbh dbi dbk dbn dbo dbp dbr dda ddb ddd ddh ddi ddk ddn ddo ddp ddr dh- dha dhb dhd dhh dhi dhk dho dhp dhr di- dia dib did dih dii dik din dio dip dir dka dkb dki dkk dko dkp dkr dna dnb dnd dnh dni dnk dnn dno dnp dnr doa dob dod doh doi dok don doo dop dor dpa dpb dpd dph dpi dpk dpn dpo dpp dpr dra drb drd dri drk drn dro drp drr h-i haa hab had hah hai hak han hao hap har hba hbb hbd hbh hbi hbk hbn hbo hbp hbr hda hdb hdd hdh hdi hdk hdn hdo hdp hdr hha hhb hhd hhh hhi hhk hhn hho hhp hhr hia hib hid hih hii hik hin hio hip hir hka hkb hkd hkh hki hkk hkn hko hkp hkr hna hnb hnd hnh hnk hnn hno hoa hob hod hoh hoi hok hon hoo hop hor hpa hpb hpd hph hpi hpk hpn hpo hpp hpr hr- hra hrb hrd hrh hri hrk hrn hro hrp hrr i-d ia- iaa iab iad iah iai ian iao iap iar iba ibb ibd ibh ibi ibk ibn ibo ibp ibr ida idb idd idh idi idk idn ido idp idr iha ihb ihd ihh ihi ihk ihn iho ihp ihr iia iib iid iih iii iin iio iip iir ika ikb iki ikk iko ikr in- ina inb ind inh ini ink inn ino inp inr io- ioa iob iod ioh ioi ion ioo iop ior ipa ipb ipd ipi ipn ipo ipp ipr ir- ira irb ird iri irk irn iro irp irr ka- kaa kab kad kah kai kak kan kao kap kar kba kbb kbd kbh kbi kbk kbn kbo kbp kbr kda kdb kdh kdk kdo kdp kdr kha khh khi khk khn kho khr kia kib kid kih kii kik kin kio kip kir kkb kkh kki kkk kkn kkp kkr kn- kna knd kni knk knn kno knp knr koa kob kod koh koi kok kon koo kop kor kpa kpd kph kpi kpk kpn kpo kpp kpr kra krd kri krk krn kro krp krr n-i naa nab nad nah nai nak nan nao nap nar nba nbb nbd nbi nbk nbn nbo nbp nbr nda ndb ndd ndh ndi ndk ndn ndo ndp ndr nha nhb nhd nhh nhi nhk nhn nhp nhr nia nib nid nih nii nik nin nio nip nir nka nki nkk nkn nko nkp nkr nna nnb nnh nni nnk nnn nno nnp no- noa nob nod noh noi nok non noo nop nor npa npb npd nph npi npn npo npp npr nra nrb nrd nri nrk nrn nro nrp nrr o-i oaa oab oad oah oai oak oan oao oap oar ob- oba obb obd obh obi obk obn obo obp obr oda odb odd odh odi odn odo odp odr oha ohd ohh ohi ohn oho ohp ohr oia oib oid oii oik oin oio oip oir oka okb okd oki okk oko okp okr on- ona onb ond onh oni onk onn ono onp onr oo- ooa oob ood ooh ooi ook oon ooo oop oor op- opa opb opd oph opi opk opn opo opp opr or- ora orb ord orh ori ork orn oro orp orr p-p paa pab pad pah pai pak pan pao pap par pba pbb pbd pbi pbk pbn pbo pbp pbr pda pdb pdd pdh pdi pdk pdn pdo pdp pdr pha phb phd phi phk phn pho php phr pia pib pid pih pii pik pin pio pip pir pka pkb pkd pki pkn pko pkp pkr pn- pna pnb pnd pnh pni pnk pnn pno pnp pnr poa pob pod poh poi pok pon poo pop por ppa ppb ppd pph ppi ppk ppn ppo ppp ppr pra prb prd prh pri prk prn pro prp prr ra- raa rab rad rah rai rak ran rao rap rar rba rbb rbd rbh rbi rbk rbn rbo rbp rbr rda rdb rdd rdh rdi rdn rdo rdp rdr rh- rha rhb rhd rhh rhi rhn rho rhp rhr ria rib rid rih rii rik rin rio rip rir rkb rkk rko rkp rna rnb rnd rnh rni rnn rno rnp rnr roa rob rod roh roi rok ron roo rop ror rpa rpb rpd rph rpi rpk rpn rpo rpp rpr rra rrb rrd rrh rri rrk rrn rrp rrr