-al -ol a-a a-b a-i a-t aaa aab aad aai aal aao aap aas aat ab- aba abb abd abi abl abo abp abs abt ad- ada adb add adi adl ado adp ads adt ai- aia aib aid aii ail aio aip ais ait al- ala alb ald ali all alo alp als alt aoa aob aod aoi aol aoo aop aos aot ap- apa apb apd api apl apo app aps apt as- asa asb asd asi asl aso asp ass ast at- ata atb atd ati atl ato atp ats att b-p baa bab bad bai bal bao bap bas bat bba bbb bbd bbi bbl bbo bbp bbs bbt bda bdb bdd bdi bdl bdo bdp bds bdt bi- bia bib bid bii bil bio bip bis bit bla blb bld bli bll blo blp bls blt boa bob bod boi bol boo bop bos bot bpa bpb bpd bpi bpl bpo bpp bps bpt bsa bsb bsd bsi bsl bso bsp bss bst bta btb btd bti btl bto btp bts btt daa dab dad dai dal dao dap das dat dba dbb dbd dbi dbl dbo dbp dbs dbt dda ddb ddd ddi ddl ddo ddp dds ddt di- dia dib did dii dil dio dip dis dit dl- dla dlb dld dli dll dlo dlp dls dlt doa dob dod doi dol doo dop dos dot dpa dpb dpd dpi dpl dpo dpp dps dpt dsa dsb dsd dsi dsl dso dsp dss dst dta dtb dtd dti dtl dto dtp dts dtt i-d ia- iaa iab iad iai ial iao iap ias iat iba ibb ibd ibi ibl ibo ibp ibs ibt ida idb idd idi idl ido idp ids idt iia iib iid iii iil iio iip iis iit il- ila ilb ild ili ill ilo ilp ils ilt io- ioa iob iod ioi iol ioo iop ios iot ipa ipb ipd ipi ipl ipo ipp ips ipt is- isa isb isd isi isl iso isp iss ist ita itb itd iti itl ito itp its itt l-p la- laa lab lad lai lal lao lap las lat lba lbb lbd lbi lbl lbo lbp lbs lbt lda ldb ldd ldi ldl ldo ldp lds ldt lia lib lid lii lil lio lip lis lit lla llb lld lli lll llo llp lls llt loa lob lod loi lol loo lop los lot lpa lpb lpd lpi lpl lpo lpp lps lpt lsa lsb lsd lsi lsl lso lsp lss lst lta ltb ltd lti ltl lto ltp lts ltt o-i oaa oab oad oai oal oao oap oas oat ob- oba obb obd obi obl obo obp obs obt oda odb odd odi odl odo odp ods odt oia oib oid oii oil oio oip ois oit ola olb old oli oll olo olp ols olt oo- ooa oob ood ooi ool ooo oop oos oot op- opa opb opd opi opl opo opp ops opt os- osa osb osd osi osl oso osp oss ost ot- ota otb otd oti otl oto otp ots ott p-p paa pab pad pai pal pao pap pas pat pba pbb pbd pbi pbl pbo pbp pbs pbt pda pdb pdd pdi pdl pdo pdp pds pdt pia pib pid pii pil pio pip pis pit pla plb pld pli pll plo plp pls plt poa pob pod poi pol poo pop pos pot ppa ppb ppd ppi ppl ppo ppp pps ppt ps- psa psb psd psi psl pso psp pss pst pt- pta ptb ptd pti ptl pto ptp pts ptt saa sab sad sai sal sao sap sas sat sba sbb sbd sbi sbl sbo sbp sbs sbt sda sdb sdd sdi sdl sdo sdp sds sdt sia sib sid sii sil sio sip sis sit sla slb sld sli sll slo slp sls slt soa sob sod soi sol soo sop sos sot spa spb spd spi spl spo spp sps spt ss- ssa ssb ssd ssi ssl sso ssp sss sst sta stb std sti stl sto stp sts stt taa tab tad tai tal tao tap tas tat tba tbb tbd tbi tbl tbo tbp tbs tbt tda tdb tdd tdi tdl tdo tdp tds tdt tia tib tid tii til tio tip tis tit tla tld tli tll tlo tlp tls tlt to- toa tob tod toi tol too top tos tot tpa tpb tpd tpi tpl tpo tpp tps tpt tsa tsb tsd tsi tsl tso tsp tss tst tta ttb ttd tti ttl tto ttp tts ttt