-al -ol a-a a-c aaa aac aah aal aao aap aar aax ac- aca acc ach acl aco acp acr acx aha ahc ahh ahl aho ahp ahr ahx al- ala alc alh all alo alp alr alx aoa aoc aoh aol aoo aop aor aox ap- apa apc aph apl apo app apr apx ar- ara arc arh arl aro arp arr arx ax- axa axh axl axo axp axr axx c-- caa cac cah cal cao cap car cax cca ccc cch ccl cco ccp ccr ccx ch- cha chc chh chl cho chp chr chx cl- cla clc clh cll clo clp clr clx co- coa coc coh col coo cop cor cox cpa cpc cph cpl cpo cpp cpr cpx cra crc crh crl cro crp crr crx cxc cxh cxl cxo cxp cxr cxx haa hac hah hal hao hap har hax hca hcc hch hcl hco hcp hcr hha hhc hhh hhl hho hhp hhr hla hlc hlh hll hlo hlp hlr hlx hoa hoc hoh hol hoo hop hor hox hpa hpc hph hpl hpo hpp hpr hr- hra hrc hrh hrl hro hrp hrr hxc hxl l-p la- laa lac lah lal lao lap lar lax lca lcc lch lcl lco lcp lcr lcx lha lhc lhh lho lhp lhr lhx lla llc lll llo llp llr loa loc loh lol loo lop lor lox lpa lpc lph lpl lpo lpp lpr lpx lra lrc lrh lro lrp lrr lxc lxo lxr lxx oaa oac oah oal oao oap oar oax oc- oca occ och ocl oco ocp ocr ocx oha ohc ohh ohl oho ohp ohr ola olc oll olo olp oo- ooa ooc ooh ool ooo oop oor oox op- opa opc oph opl opo opp opr opx or- ora orc orh orl oro orp orr orx ox- oxa oxc oxo oxx p-p paa pac pah pal pao pap par pax pca pcc pch pcl pco pcp pcr pcx pha phc phl pho php phr phx pla plc plh pll plo plp plr plx poa poc poh pol poo pop por pox ppa ppc pph ppl ppo ppp ppr ppx pra prc prh prl pro prp prr prx pxc pxl pxr ra- raa rac rah ral rao rap rar rax rca rcc rch rcl rco rcp rcr rcx rh- rha rhc rhh rhl rho rhp rhr rla rlc rlh rll rlo rlp rlr roa roc roh rol roo rop ror rox rpa rpc rph rpl rpo rpp rpr rpx rra rrc rrh rrl rrp rrr rxp rxr xaa xac xal xap xar xch xcl xcp xcr xcx xhp xla xlr xoa xoc xoo xop xor xox xpa xpc xpl xpo xpp xrc xrx xxl xxo xxp xxx