-al -ol -th a-a a-c a-t aaa aac aah aal aao aar aat ac- aca acc ach acl aco acr act aha ahc ahh ahl aho ahr aht al- ala alc alh all alo alr alt aoa aoc aoh aol aoo aor aot ar- ara arc arh arl aro arr art at- ata atc ath atl ato atr att c-- caa cac cah cal cao car cat cca ccc cch ccl cco ccr cct ch- cha chc chh chl cho chr cht cl- cla clc clh cll clo clr clt co- coa coc coh col coo cor cot cra crc crh crl cro crr crt cta ctc cth ctl cto ctr ctt haa hac hah hal hao har hat hca hcc hch hcl hco hcr hct hha hhc hhh hhl hho hhr hht hla hlc hlh hll hlo hlr hlt hoa hoc hoh hol hoo hor hot hr- hra hrc hrh hrl hro hrr hrt hta htc hth htl hto htr htt la- laa lac lah lal lao lar lat lca lcc lch lcl lco lcr lct lha lhc lhh lho lhr lht lla llc lll llo llr llt loa loc loh lol loo lor lot lra lrc lrh lro lrr lrt lta ltc lth ltl lto ltr ltt oaa oac oah oal oao oar oat oc- oca occ och ocl oco ocr oct oha ohc ohh ohl oho ohr oht ola olc oll olo olt oo- ooa ooc ooh ool ooo oor oot or- ora orc orh orl oro orr ort ot- ota otc oth otl oto otr ott ra- raa rac rah ral rao rar rat rca rcc rch rcl rco rcr rct rh- rha rhc rhh rhl rho rhr rht rla rlc rlh rll rlo rlr rlt roa roc roh rol roo ror rot rra rrc rrh rrl rrr rrt rta rtc rtl rto rtr rtt taa tac tah tal tao tar tat tca tcc tch tcl tco tcr tct th- tha thc thh thl tho thr tht tla tlc tlh tll tlo tlr tlt to- toa toc toh tol too tor tot tra trc trh trl tro trr trt tta ttc tth ttl tto ttr ttt