-al -ol a-a a-b a-i aaa aab aad aag aai aal aao aap aar aas ab- aba abb abd abg abi abl abo abp abr abs ad- ada adb add adg adi adl ado adp adr ads ag- aga agb agd agg agi agl ago agp agr ags ai- aia aib aid aig aii ail aio aip air ais al- ala alb ald alg ali all alo alp alr als aoa aob aod aog aoi aol aoo aop aor aos ap- apa apb apd apg api apl apo app apr aps ar- ara arb ard arg ari arl aro arp arr ars as- asa asb asd asg asi asl aso asp asr ass b-p baa bab bad bag bai bal bao bap bar bas bba bbb bbd bbg bbi bbl bbo bbp bbr bbs bda bdb bdd bdg bdi bdl bdo bdp bdr bds bga bgb bgd bgg bgi bgl bgo bgp bgr bgs bi- bia bib bid big bii bil bio bip bir bis bla blb bld blg bli bll blo blp blr bls boa bob bod bog boi bol boo bop bor bos bpa bpb bpd bpg bpi bpl bpo bpp bpr bps bra brb brd brg bri brl bro brp brr brs bsa bsb bsd bsg bsi bsl bso bsp bsr bss daa dab dad dag dai dal dao dap dar das dba dbb dbd dbg dbi dbl dbo dbp dbr dbs dda ddb ddd ddg ddi ddl ddo ddp ddr dds dga dgd dgg dgi dgl dgp dgr dgs di- dia dib did dig dii dil dio dip dir dis dl- dla dlb dld dlg dli dll dlo dlp dlr dls doa dob dod dog doi dol doo dop dor dos dpa dpb dpd dpg dpi dpl dpo dpp dpr dps dra drb drd drg dri drl dro drp drr drs dsa dsb dsd dsg dsi dsl dso dsp dsr dss g-d g-p gaa gab gad gag gai gal gao gap gar gas gba gbd gbg gbi gbl gbo gbp gbr gbs gda gdb gdd gdi gdl gdo gdp gdr gds gga ggb ggd ggg ggi ggo ggp ggr ggs gia gib gid gig gii gil gio gip gir gis gla glb gld glg gli gll glo glp glr gls goa gob god gog goi gol goo gop gor gos gpa gpb gpd gpg gpi gpl gpo gpp gpr gps gra grb grd grg gri grl gro grp grr grs gsa gsb gsd gsg gsi gsl gso gsp gsr gss i-d ia- iaa iab iad iag iai ial iao iap iar ias iba ibb ibd ibg ibi ibl ibo ibp ibr ibs ida idb idd idg idi idl ido idp idr ids iga igb igd igg igi igl igo igp igr igs iia iib iid iii iil iio iip iir iis il- ila ilb ild ilg ili ill ilo ilp ilr ils io- ioa iob iod iog ioi iol ioo iop ior ios ipa ipb ipd ipg ipi ipl ipo ipp ipr ips ir- ira irb ird irg iri irl iro irp irr irs is- isa isb isd isg isi isl iso isp isr iss l-p la- laa lab lad lag lai lal lao lap lar las lba lbb lbd lbg lbi lbl lbo lbp lbr lbs lda ldb ldd ldg ldi ldl ldo ldp ldr lds lga lgb lgd lgg lgi lgl lgo lgp lgr lgs lia lib lid lig lii lil lio lip lir lis lla llb lld llg lli lll llo llp llr lls loa lob lod log loi lol loo lop lor los lpa lpb lpd lpg lpi lpl lpo lpp lpr lps lra lrb lrd lrg lri lro lrp lrr lrs lsa lsb lsd lsg lsi lsl lso lsp lsr lss o-i oaa oab oad oag oai oal oao oap oar oas ob- oba obb obd obg obi obl obo obp obr obs oda odb odd odg odi odl odo odp odr ods oga ogd ogg ogi ogl ogo ogp ogs oia oib oid oii oil oio oip oir ois ola olb old olg oli oll olo olp ols oo- ooa oob ood oog ooi ool ooo oop oor oos op- opa opb opd opg opi opl opo opp opr ops or- ora orb ord org ori orl oro orp orr ors os- osa osb osd osg osi osl oso osp osr oss p-p paa pab pad pag pai pal pao pap par pas pba pbb pbd pbg pbi pbl pbo pbp pbr pbs pda pdb pdd pdg pdi pdl pdo pdp pdr pds pga pgb pgd pgg pgi pgl pgo pgp pgr pgs pia pib pid pig pii pil pio pip pir pis pla plb pld plg pli pll plo plp plr pls poa pob pod pog poi pol poo pop por pos ppa ppb ppd ppg ppi ppl ppo ppp ppr pps pra prb prd prg pri prl pro prp prr prs ps- psa psb psd psg psi psl pso psp psr pss ra- raa rab rad rag rai ral rao rap rar ras rba rbb rbd rbg rbi rbl rbo rbp rbr rbs rda rdb rdd rdg rdi rdl rdo rdp rdr rds rga rgb rgd rgg rgi rgo rgp rgr rgs ria rib rid rig rii ril rio rip rir ris rla rld rlg rli rll rlo rlp rlr rls roa rob rod rog roi rol roo rop ror ros rpa rpb rpd rpg rpi rpl rpo rpp rpr rps rra rrb rrd rrg rri rrl rrp rrr rrs rsa rsb rsd rsg rsi rsl rso rsp rsr rss saa sab sad sag sai sal sao sap sar sas sba sbb sbd sbg sbi sbl sbo sbp sbr sbs sda sdb sdd sdg sdi sdl sdo sdp sdr sds sga sgb sgd sgg sgi sgl sgo sgp sgr sgs sia sib sid sig sii sil sio sip sir sis sla slb sld slg sli sll slo slp slr sls soa sob sod sog soi sol soo sop sor sos spa spb spd spg spi spl spo spp