-al a-a a-c a-t aaa aac aaf aal aar aat ac- aca acc acf acl acr act af- afa afc aff afl afr aft al- ala alc alf all alr alt ar- ara arc arf arl arr art at- ata atc atf atl atr att c-- caa cac caf cal car cat cca ccc ccf ccl ccr cct cfa cfc cff cfl cfr cft cl- cla clc clf cll clr clt cra crc crf crl crr crt cta ctc ctf ctl ctr ctt faa fac faf fal far fat fca fcc fcf fcl fcr fct ffa ffc fff ffl ffr fft fla flc flf fll flr flt fra frc frf frl frr frt fta ftc ftf ftl ftr ftt la- laa lac laf lal lar lat lca lcc lcf lcl lcr lct lfa lfc lff lfl lfr lft lla llc llf lll llr llt lra lrc lrf lrr lrt lta ltc ltf ltl ltr ltt ra- raa rac raf ral rar rat rca rcc rcf rcl rcr rct rfa rfc rff rfl rfr rft rla rlc rlf rll rlr rlt rra rrc rrf rrl rrr rrt rta rtc rtf rtl rtr rtt taa tac taf tal tar tat tca tcc tcf tcl tcr tct tfa tfc tff tfl tfr tft tla tlc tlf tll tlr tlt tra trc trf trl trr trt tta ttc ttf ttl ttr ttt