a-a a-b a-i aaa aab aad aah aai aan aao aap ab- aba abb abd abh abi abn abo abp ad- ada adb add adh adi adn ado adp aha ahb ahd ahh ahi ahn aho ahp ai- aia aib aid aih aii ain aio aip an- ana anb and anh ani ann ano anp aoa aob aod aoh aoi aon aoo aop ap- apa apb apd aph api apn apo app b-p baa bab bad bah bai ban bao bap bba bbb bbd bbh bbi bbn bbo bbp bda bdb bdd bdh bdi bdo bdp bha bhb bhd bhh bhi bho bhp bi- bia bib bid bih bii bin bio bip bna bnb bnd bni bnn bno bnp boa bob bod boh boi bon boo bop bpa bpb bpd bph bpi bpn bpo bpp daa dab dad dah dai dan dao dap dba dbb dbd dbh dbi dbn dbo dbp dda ddb ddd ddh ddi ddn ddo ddp dh- dha dhb dhd dhh dhi dho dhp di- dia dib did dih dii din dio dip dna dnb dnd dnh dni dnn dno dnp doa dob dod doh doi don doo dop dpa dpb dpd dph dpi dpn dpo dpp h-i haa hab had hah hai han hao hap hba hbb hbd hbh hbi hbn hbo hbp hda hdb hdd hdh hdi hdn hdo hdp hha hhb hhd hhh hhi hhn hho hhp hia hib hid hih hii hin hio hip hna hnb hnd hnh hnn hno hoa hob hod hoh hoi hon hoo hop hpa hpb hpd hph hpi hpn hpo hpp i-d ia- iaa iab iad iah iai ian iao iap iba ibb ibd ibh ibi ibn ibo ibp ida idb idd idh idi idn ido idp iha ihb ihd ihh ihi ihn iho ihp iia iib iid iih iii iin iio iip in- ina inb ind inh ini inn ino inp io- ioa iob iod ioh ioi ion ioo iop ipa ipb ipd ipi ipn ipo ipp n-i naa nab nad nah nai nan nao nap nba nbb nbd nbi nbn nbo nbp nda ndb ndd ndh ndi ndn ndo ndp nha nhb nhd nhh nhi nhn nhp nia nib nid nih nii nin nio nip nna nnb nnh nni nnn nno nnp no- noa nob nod noh noi non noo nop npa npb npd nph npi npn npo npp o-i oaa oab oad oah oai oan oao oap ob- oba obb obd obh obi obn obo obp oda odb odd odh odi odn odo odp oha ohd ohh ohi ohn oho ohp oia oib oid oii oin oio oip on- ona onb ond onh oni onn ono onp oo- ooa oob ood ooh ooi oon ooo oop op- opa opb opd oph opi opn opo opp p-p paa pab pad pah pai pan pao pap pba pbb pbd pbi pbn pbo pbp pda pdb pdd pdh pdi pdn pdo pdp pha phb phd phi phn pho php pia pib pid pih pii pin pio pip pn- pna pnb pnd pnh pni pnn pno pnp poa pob pod poh poi pon poo pop ppa ppb ppd pph ppi ppn ppo ppp