-al -ol -th a-a a-b a-i a-t aaa aab aaf aah aai aal aao aas aat ab- aba abb abf abh abi abl abo abs abt af- afa afb aff afh afi afl afo afs aft aha ahb ahf ahh ahi ahl aho ahs aht ai- aia aib aif aih aii ail aio ais ait al- ala alb alf alh ali all alo als alt aoa aob aof aoh aoi aol aoo aos aot as- asa asb asf ash asi asl aso ass ast at- ata atb atf ath ati atl ato ats att baa bab baf bah bai bal bao bas bat bba bbb bbf bbh bbi bbl bbo bbs bbt bfa bfb bff bfh bfi bfl bfo bfs bft bha bhb bhf bhh bhi bhl bho bhs bht bi- bia bib bif bih bii bil bio bis bit bla blb blf blh bli bll blo bls blt boa bob bof boh boi bol boo bos bot bsa bsb bsf bsh bsi bsl bso bss bst bta btb btf bth bti btl bto bts btt faa fab faf fah fai fal fao fas fat fba fbb fbf fbh fbi fbl fbo fbs fbt ffa fff ffh ffi ffl ffo ffs fft fha fhb fhf fhh fhi fhl fho fhs fia fib fif fih fii fil fis fit fla flb flf fli fll flo fls flt foa fob fof foh foi fol foo fos fot fsa fsb fsf fsh fsi fsl fso fss fst fta ftb ftf fth fti ftl fto fts ftt h-i haa hab haf hah hai hal hao has hat hba hbb hbf hbh hbi hbl hbo hbs hbt hfa hfb hff hfh hfi hfl hfo hfs hft hha hhb hhf hhh hhi hhl hho hhs hht hia hib hif hih hii hil hio his hit hla hlb hlf hlh hli hll hlo hls hlt hoa hob hof hoh hoi hol hoo hos hot hsa hsb hsf hsh hsi hsl hss hst hta htb htf hth hti htl hto hts htt i-f ia- iaa iab iaf iah iai ial iao ias iat iba ibb ibf ibh ibi ibl ibo ibs ibt ifa ifb iff ifi ifl ifo ifs ift iha ihb ihf ihh ihi ihl iho ihs iht iia iib iif iih iii iil iio iis iit il- ila ilb ilf ilh ili ill ilo ils ilt io- ioa iob iof ioh ioi iol ioo ios iot is- isa isb isf ish isi isl iso iss ist ita itb itf ith iti itl ito its itt la- laa lab laf lah lai lal lao las lat lba lbb lbf lbh lbi lbl lbo lbs lbt lfa lfb lff lfh lfi lfl lfo lfs lft lha lhb lhf lhh lhi lho lhs lht lia lib lif lih lii lil lio lis lit lla llb llf lli lll llo lls llt loa lob lof loh loi lol loo los lot lsa lsb lsf lsh lsi lsl lso lss lst lta ltb ltf lth lti ltl lto lts ltt o-i oaa oab oaf oah oai oal oao oas oat ob- oba obb obf obh obi obl obo obs obt of- ofa ofb off ofi ofl ofo ofs oft oha ohf ohh ohi ohl oho ohs oht oia oib oif oii oil oio ois oit ola olb olf oli oll olo ols olt oo- ooa oob oof ooh ooi ool ooo oos oot os- osa osb osf osh osi osl oso oss ost ot- ota otb otf oth oti otl oto ots ott saa sab saf sah sai sal sao sas sat sba sbb sbf sbh sbi sbl sbo sbs sbt sfa sfb sff sfh sfi sfl sfo sfs sft sh- sha shb shf shh shi shl sho shs sht sia sib sif sih sii sil sio sis sit sla slb slf slh sli sll slo sls slt soa sob sof soh soi sol soo sos sot ss- ssa ssb ssf ssh ssi ssl sso sss sst sta stb stf sth sti stl sto sts stt taa tab taf tah tai tal tao tas tat tba tbb tbf tbh tbi tbl tbo tbs tbt tfa tfb tff tfh tfi tfl tfo tfs tft th- tha thb thf thh thi thl tho ths tht tia tib tif tih tii til tio tis tit tla tlf tlh tli tll tlo tls tlt to- toa tob tof toh toi tol too tos tot tsa tsb tsf tsh tsi tsl tso tss tst tta ttb ttf tth tti ttl tto tts ttt