-al -ic -ol -th a-a a-b a-c a-i a-t aaa aab aac aah aai aak aal aao aas aat ab- aba abb abc abh abi abk abl abo abs abt ac- aca acb acc ach aci ack acl aco acs act aha ahb ahc ahh ahi ahk ahl aho ahs aht ai- aia aib aic aih aii aik ail aio ais ait aka akb akc akh aki akk akl ako aks al- ala alb alc alh ali alk all alo als alt aoa aob aoc aoh aoi aok aol aoo aos aot as- asa asb asc ash asi ask asl aso ass ast at- ata atb atc ath ati atl ato ats att baa bab bac bah bai bak bal bao bas bat bba bbb bbc bbh bbi bbk bbl bbo bbs bbt bca bcb bcc bch bci bck bcl bco bcs bct bha bhb bhc bhh bhi bhk bhl bho bhs bht bi- bia bib bic bih bii bik bil bio bis bit bka bkb bkc bkk bkl bko bks bkt bla blb blc blh bli blk bll blo bls blt boa bob boc boh boi bok bol boo bos bot bsa bsb bsc bsh bsi bsk bsl bso bss bst bta btb btc bth bti btk btl bto bts btt c-- caa cab cac cah cai cak cal cao cas cat cba cbb cbc cbh cbi cbk cbl cbo cbs cbt cca ccb ccc cch cci cck ccl cco ccs cct ch- cha chb chc chh chi chk chl cho chs cht ci- cia cib cic cih cii cik cil cio cis cit cka ckb ckc ckh cki cko cks ckt cl- cla clb clc clh cli clk cll clo cls clt co- coa cob coc coh coi cok col coo cos cot csa csb csc csh csi csk csl cso css cst cta ctb ctc cth cti ctk ctl cto cts ctt h-i haa hab hac hah hai hak hal hao has hat hba hbb hbc hbh hbi hbk hbl hbo hbs hbt hca hcb hcc hch hci hck hcl hco hcs hct hha hhb hhc hhh hhi hhk hhl hho hhs hht hia hib hic hih hii hik hil hio his hit hka hkb hkh hki hkk hkl hko hks hkt hla hlb hlc hlh hli hll hlo hls hlt hoa hob hoc hoh hoi hok hol hoo hos hot hsa hsb hsc hsh hsi hsk hsl hss hst hta htb htc hth hti htk htl hto hts htt ia- iaa iab iac iah iai ial iao ias iat iba ibb ibc ibh ibi ibk ibl ibo ibs ibt ica icb icc ich ici ick icl ico ics ict iha ihb ihc ihh ihi ihk ihl iho ihs iht iia iib iic iih iii iil iio iis iit ika ikb ikc iki ikk ikl iko iks ikt il- ila ilb ilc ilh ili ilk ill ilo ils ilt io- ioa iob ioc ioh ioi iol ioo ios iot is- isa isb isc ish isi isk isl iso iss ist ita itb itc ith iti itk itl ito its itt k-t ka- kaa kab kac kah kai kak kal kao kas kat kba kbb kbc kbh kbi kbk kbl kbo kbs kca kcb kcc kch kci kck kcl kcs kct kha khh khi khk kho khs kia kib kic kih kii kik kil kio kis kit kkb kkc kkh kki kkk kkl kks kkt kl- kla klb klc klh kli klo kls klt koa kob koc koh koi kok kol koo kos kot ksa ksb ksc ksh ksi ksk ksl kso kss kst kta ktb ktc kth ktk ktl kto kts ktt la- laa lab lac lah lai lak lal lao las lat lba lbb lbc lbh lbi lbk lbl lbo lbs lbt lca lcb lcc lch lci lck lcl lco lcs lct lha lhb lhc lhh lhi lhk lho lhs lht lia lib lic lih lii lik lil lio lis lit lka lkb lkh lkl lks lkt lla llb llc lli llk lll llo lls llt loa lob loc loh loi lok lol loo los lot lsa lsb lsc lsh lsi lsk lsl lso lss lst lta ltb ltc lth lti ltk ltl lto lts ltt o-i oaa oab oac oah oai oak oal oao oas oat ob- oba obb obc obh obi obk obl obo obs obt oc- oca ocb occ och oci ock ocl oco ocs oct oha ohc ohh ohi ohl oho ohs oht oia oib oic oii oik oil oio ois oit oka okb okc oki okk okl oko oks ola olb olc oli olk oll olo ols olt oo- ooa oob ooc ooh ooi ook ool ooo oos oot os- osa osb osc osh osi osk osl oso oss ost ot- ota otb otc oth oti otk otl oto ots ott saa sab sac sah sai sak sal sao sas sat sba sbb sbc sbh sbi sbk sbl sbo sbs sbt sca scb scc sch sci sck scl sco scs sct sh- sha shb shc shh shi shk shl sho shs sht sia sib sic sih sii sik sil sio sis sit sk- ska skb skc skh ski skk skl sko sks skt sla slb slc slh sli slk sll slo sls slt soa sob soc soh soi sok sol soo sos sot ss- ssa ssb ssc ssh ssi ssk ssl sso sss sst sta stb stc sth sti stk stl sto sts stt taa tab tac tah tai tak tal tao tas tat tba tbb tbc tbh tbi tbk tbl tbo tbs tbt tca tcb tcc tch tci tck tcl tco tcs tct th- tha thb thc thh thi thk thl tho ths tht tia tib tic tih tii tik til tio tis tit tka tkb tkc tkk tkl tko tks tkt tla tlc tlh tli tlk tll tlo tls tlt to- toa tob toc toh toi tok tol too tos tot tsa tsb tsc tsh tsi tsk tsl tso tss tst tta ttb ttc tth tti ttk ttl tto