a-a a-b a-i aaa aab aad aah aai aan aao aap aar ab- aba abb abd abh abi abn abo abp abr ad- ada adb add adh adi adn ado adp adr aha ahb ahd ahh ahi ahn aho ahp ahr ai- aia aib aid aih aii ain aio aip air an- ana anb and anh ani ann ano anp anr aoa aob aod aoh aoi aon aoo aop aor ap- apa apb apd aph api apn apo app apr ar- ara arb ard arh ari arn aro arp arr b-p baa bab bad bah bai ban bao bap bar bba bbb bbd bbh bbi bbn bbo bbp bbr bda bdb bdd bdh bdi bdo bdp bdr bha bhb bhd bhh bhi bho bhp bhr bi- bia bib bid bih bii bin bio bip bir bna bnb bnd bni bnn bno bnp bnr boa bob bod boh boi bon boo bop bor bpa bpb bpd bph bpi bpn bpo bpp bpr bra brb brd brh bri brn bro brp brr daa dab dad dah dai dan dao dap dar dba dbb dbd dbh dbi dbn dbo dbp dbr dda ddb ddd ddh ddi ddn ddo ddp ddr dh- dha dhb dhd dhh dhi dho dhp dhr di- dia dib did dih dii din dio dip dir dna dnb dnd dnh dni dnn dno dnp dnr doa dob dod doh doi don doo dop dor dpa dpb dpd dph dpi dpn dpo dpp dpr dra drb drd dri drn dro drp drr h-i haa hab had hah hai han hao hap har hba hbb hbd hbh hbi hbn hbo hbp hbr hda hdb hdd hdh hdi hdn hdo hdp hdr hha hhb hhd hhh hhi hhn hho hhp hhr hia hib hid hih hii hin hio hip hir hna hnb hnd hnh hnn hno hoa hob hod hoh hoi hon hoo hop hor hpa hpb hpd hph hpi hpn hpo hpp hpr hr- hra hrb hrd hrh hri hrn hro hrp hrr i-d ia- iaa iab iad iah iai ian iao iap iar iba ibb ibd ibh ibi ibn ibo ibp ibr ida idb idd idh idi idn ido idp idr iha ihb ihd ihh ihi ihn iho ihp ihr iia iib iid iih iii iin iio iip iir in- ina inb ind inh ini 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 irn iro irp irr n-i naa nab nad nah nai nan nao nap nar nba nbb nbd nbi nbn nbo nbp nbr nda ndb ndd ndh ndi ndn ndo ndp ndr nha nhb nhd nhh nhi nhn nhp nhr nia nib nid nih nii nin nio nip nir nna nnb nnh nni nnn nno nnp no- noa nob nod noh noi non noo nop nor npa npb npd nph npi npn npo npp npr nra nrb nrd nri nrn nro nrp nrr o-i oaa oab oad oah oai oan oao oap oar ob- oba obb obd obh obi 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 oin oio oip oir on- ona onb ond onh oni onn ono onp onr oo- ooa oob ood ooh ooi oon ooo oop oor op- opa opb opd oph opi opn opo opp opr or- ora orb ord orh ori orn oro orp orr p-p paa pab pad pah pai pan pao pap par pba pbb pbd pbi pbn pbo pbp pbr pda pdb pdd pdh pdi pdn pdo pdp pdr pha phb phd phi phn pho php phr pia pib pid pih pii pin pio pip pir pn- pna pnb pnd pnh pni pnn pno pnp pnr poa pob pod poh poi pon poo pop por ppa ppb ppd pph ppi ppn ppo ppp ppr pra prb prd prh pri prn pro prp prr ra- raa rab rad rah rai ran rao rap rar rba rbb rbd rbh rbi 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 rin rio rip rir rna rnb rnd rnh rni rnn rno rnp rnr roa rob rod roh roi ron roo rop ror rpa rpb rpd rph rpi rpn rpo rpp rpr rra rrb rrd rrh rri rrn rrp rrr