-al -er -ol -th a-a a-b a-c a-t aaa aab aac aae aah aal aao aap aar aat ab- aba abb abc abe abh abl abo abp abr abt ac- aca acb acc ace ach acl aco acp acr act aea aeb aec aee aeh ael aeo aep aer aet aha ahb ahc ahe ahh ahl aho ahp ahr aht al- ala alb alc ale alh all alo alp alr alt aoa aob aoc aoe aoh aol aoo aop aor aot ap- apa apb apc ape aph apl apo app apr apt ar- ara arb arc are arh arl aro arp arr art at- ata atb atc ate ath atl ato atp atr att b-p baa bab bac bae bah bal bao bap bar bat bba bbb bbc bbe bbh bbl bbo bbp bbr bbt bca bcb bcc bce bch bcl bco bcp bcr bct be- bea beb bec bee beh bel beo bep ber bet bha bhb bhc bhe bhh bhl bho bhp bhr bht bla blb blc ble blh bll blo blp blr blt boa bob boc boe boh bol boo bop bor bot bpa bpb bpc bpe bph bpl bpo bpp bpr bpt bra brb bre brh brl bro brp brr brt bta btb btc bte bth btl bto btp btr btt c-- caa cab cac cae cah cal cao cap car cat cba cbb cbc cbe cbh cbl cbo cbp cbr cbt cca ccb ccc cce cch ccl cco ccp ccr cct ce- cea ceb cec cee ceh cel ceo cep cer cet ch- cha chb chc che chh chl cho chp chr cht cl- cla clb clc cle clh cll clo clp clr clt co- coa cob coc coe coh col coo cop cor cot cpa cpb cpc cpe cph cpl cpo cpp cpr cpt cra crb crc cre crh crl cro crp crr crt cta ctb ctc cte cth ctl cto ctp ctr ctt eaa eab eac eae eah eal eao eap ear eat eba ebb ebc ebe ebh ebl ebo ebp ebr ebt ec- eca ecb ecc ece ech ecl eco ecr ect eea eeb eec eee eel eeo eep eer eet eha ehb ehc ehe ehh ehl eho ehp ehr eht ela elb elc ele elh ell elo elp elr elt eo- eoa eob eoc eoe eoh eol eoo eop eor eot ep- epa epb epc epe eph epl epo epp epr ept era erb erc ere erh erl ero erp err ert eta etb etc ete eth etl eto etp etr ett haa hab hac hae hah hal hao hap har hat hba hbb hbc hbe hbh hbl hbo hbp hbr hbt hca hcb hcc hce hch hcl hco hcp hcr hct he- hea heb hec hee heh hel heo hep her het hha hhb hhc hhe hhh hhl hho hhp hhr hht hla hlb hlc hle hlh hll hlo hlp hlr hlt hoa hob hoc hoe hoh hol hoo hop hor hot hpa hpb hpc hpe hph hpl hpo hpp hpr hpt hr- hra hrb hrc hre hrh hrl hro hrp hrr hrt hta htb htc hte hth htl hto htp htr htt l-p la- laa lab lac lae lah lal lao lap lar lat lba lbb lbc lbe lbh lbl lbo lbp lbr lbt lca lcb lcc lce lch lcl lco lcp lcr lct lea leb lec lee leh lel leo lep ler let lha lhb lhc lhh lho lhp lhr lht lla llb llc lle lll llo llp llr llt loa lob loc loe loh lol loo lop lor lot lpa lpb lpc lpe lph lpl lpo lpp lpr lpt lra lrb lrc lrh lro lrp lrr lrt lta ltb ltc lte lth ltl lto ltp ltr ltt oaa oab oac oae oah oal oao oap oar oat ob- oba obb obc obe obh obl obo obp obr obt oc- oca ocb occ och ocl oco ocp ocr oct oea oeb oec oee oeh oel oeo oep oer oet oha ohc ohe ohh ohl oho ohp ohr oht ola olb olc ole oll olo olp olt oo- ooa oob ooc ooh ool ooo oop oor oot op- opa opb opc ope oph opl opo opp opr opt or- ora orb orc ore orh orl oro orp orr ort ot- ota otb otc ote oth otl oto otp otr ott p-p paa pab pac pae pah pal pao pap par pat pba pbb pbc pbe pbl pbo pbp pbr pbt pca pcb pcc pce pch pcl pco pcp pcr pct pea peb pec pee peh pel peo pep per pet pha phb phc phe phl pho php phr pht pla plb plc ple plh pll plo plp plr plt poa pob poc poe poh pol poo pop por pot ppa ppb ppc ppe pph ppl ppo ppp ppr ppt pra prb prc pre prh prl pro prp prr prt pt- pta ptb ptc pte pth ptl pto ptp ptr ptt ra- raa rab rac rae rah ral rao rap rar rat rba rbb rbc rbe rbh rbl rbo rbp rbr rbt rca rcb rcc rce rch rcl rco rcp rcr rct re- rea reb rec ree reh rel reo rep rer ret rh- rha rhb rhc rhe rhh rhl rho rhp rhr rht rla rlc rle rlh rll rlo rlp rlr rlt roa rob roc roe roh rol roo rop ror rot rpa rpb rpc rpe rph rpl rpo rpp rpr rpt rra rrb rrc rrh rrl rrp rrr rrt rta rtb rtc rte rtl rto rtp rtr rtt taa tab tac tae tah tal tao tap tar tat tba tbb tbc tbe tbh tbl tbo tbp tbr tbt tca tcb tcc tce tch tcl tco tcp tcr tct te- tea teb tec tee teh tel teo tep ter tet th- tha thb thc the thh thl tho thp thr tht tla tlc tle tlh tll tlo tlp tlr tlt to- toa tob toc toe toh tol too top tor tot tpa tpb tpc tpe tph tpl tpo tpp