a-a a-b a-i aaa aab aad aag aah aai aao aar ab- aba abb abd abg abh abi abo abr ad- ada adb add adg adh adi ado adr ag- aga agb agd agg agh agi ago agr aha ahb ahd ahg ahh ahi aho ahr ai- aia aib aid aig aih aii aio air aoa aob aod aog aoh aoi aoo aor ar- ara arb ard arg arh ari aro arr baa bab bad bag bah bai bao bar bba bbb bbd bbg bbh bbi bbo bbr bda bdb bdd bdg bdh bdi bdo bdr bga bgb bgd bgg bgh bgi bgo bgr bha bhb bhd bhg bhh bhi bho bhr bi- bia bib bid big bih bii bio bir boa bob bod bog boh boi boo bor bra brb brd brg brh bri bro brr daa dab dad dag dah dai dao dar dba dbb dbd dbg dbh dbi dbo dbr dda ddb ddd ddg ddh ddi ddo ddr dga dgd dgg dgh dgi dgr dh- dha dhb dhd dhh dhi dho dhr di- dia dib did dig dih dii dio dir doa dob dod dog doh doi doo dor dra drb drd drg dri dro drr g-d gaa gab gad gag gah gai gao gar gba gbd gbg gbh gbi gbo gbr gda gdb gdd gdh gdi gdo gdr gga ggb ggd ggg ggh ggi ggo ggr gha ghb ghd ghg ghh ghi gho ghr gia gib gid gig gih gii gio gir goa gob god gog goh goi goo gor gra grb grd grg grh gri gro grr h-i haa hab had hag hah hai hao har hba hbb hbd hbg hbh hbi hbo hbr hda hdb hdd hdg hdh hdi hdo hdr hga hgb hgg hgh hgi hgo hgr hha hhb hhd hhg hhh hhi hho hhr hia hib hid hig hih hii hio hir hoa hob hod hog hoh hoi hoo hor hr- hra hrb hrd hrg hrh hri hro hrr i-d ia- iaa iab iad iag iah iai iao iar iba ibb ibd ibg ibh ibi ibo ibr ida idb idd idg idh idi ido idr iga igb igd igg igh igi igo igr iha ihb ihd ihg ihh ihi iho ihr iia iib iid iih iii iio iir io- ioa iob iod iog ioh ioi ioo ior ir- ira irb ird irg iri iro irr o-i oaa oab oad oag oah oai oao oar ob- oba obb obd obg obh obi obo obr oda odb odd odg odh odi odo odr oga ogd ogg ogh ogi ogo oha ohd ohg ohh ohi oho ohr oia oib oid oii oio oir oo- ooa oob ood oog ooh ooi ooo oor or- ora orb ord org orh ori oro orr ra- raa rab rad rag rah rai rao rar rba rbb rbd rbg rbh rbi rbo rbr rda rdb rdd rdg rdh rdi rdo rdr rga rgb rgd rgg rgh rgi rgo rgr rh- rha rhb rhd rhg rhh rhi rho rhr ria rib rid rig rih rii rio rir roa rob rod rog roh roi roo ror rra rrb rrd rrg rrh rri rrr